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2 definitions found
 for Foot screw
From The Collaborative International Dictionary of English v.0.48 :

  Foot \Foot\ (f[oo^]t), n.; pl. Feet (f[=e]t). [OE. fot, foot,
     pl. fet, feet. AS. f[=o]t, pl. f[=e]t; akin to D. voet, OHG.
     fuoz, G. fuss, Icel. f[=o]tr, Sw. fot, Dan. fod, Goth.
     f[=o]tus, L. pes, Gr. poy`s, Skr. p[=a]d, Icel. fet step,
     pace measure of a foot, feta to step, find one's way.
     [root]77, 250. Cf. Antipodes, Cap-a-pie, Expedient,
     Fet to fetch, Fetlock, Fetter, Pawn a piece in chess,
     Pedal.]
     1. (Anat.) The terminal part of the leg of man or an animal;
        esp., the part below the ankle or wrist; that part of an
        animal upon which it rests when standing, or moves. See
        Manus, and Pes.
        [1913 Webster]
  
     2. (Zool.) The muscular locomotive organ of a mollusk. It is
        a median organ arising from the ventral region of body,
        often in the form of a flat disk, as in snails. See
        Illust. of Buccinum.
        [1913 Webster]
  
     3. That which corresponds to the foot of a man or animal; as,
        the foot of a table; the foot of a stocking.
        [1913 Webster]
  
     4. The lowest part or base; the ground part; the bottom, as
        of a mountain, column, or page; also, the last of a row or
        series; the end or extremity, esp. if associated with
        inferiority; as, the foot of a hill; the foot of the
        procession; the foot of a class; the foot of the bed;; the
        foot of the page.
        [1913 Webster]
  
              And now at foot
              Of heaven's ascent they lift their feet. --Milton.
        [1913 Webster]
  
     5. Fundamental principle; basis; plan; -- used only in the
        singular.
        [1913 Webster]
  
              Answer directly upon the foot of dry reason.
                                                    --Berkeley.
        [1913 Webster]
  
     6. Recognized condition; rank; footing; -- used only in the
        singular. [R.]
        [1913 Webster]
  
              As to his being on the foot of a servant. --Walpole.
        [1913 Webster]
  
     7. A measure of length equivalent to twelve inches; one third
        of a yard. See Yard.
        [1913 Webster]
  
     Note: This measure is supposed to be taken from the length of
           a man's foot. It differs in length in different
           countries. In the United States and in England it is
           304.8 millimeters.
           [1913 Webster]
  
     8. (Mil.) Soldiers who march and fight on foot; the infantry,
        usually designated as the foot, in distinction from the
        cavalry. "Both horse and foot." --Milton.
        [1913 Webster]
  
     9. (Pros.) A combination of syllables consisting a metrical
        element of a verse, the syllables being formerly
        distinguished by their quantity or length, but in modern
        poetry by the accent.
        [1913 Webster]
  
     10. (Naut.) The lower edge of a sail.
         [1913 Webster]
  
     Note: Foot is often used adjectively, signifying of or
           pertaining to a foot or the feet, or to the base or
           lower part. It is also much used as the first of
           compounds.
           [1913 Webster]
  
     Foot artillery. (Mil.)
         (a) Artillery soldiers serving in foot.
         (b) Heavy artillery. --Farrow.
  
     Foot bank (Fort.), a raised way within a parapet.
  
     Foot barracks (Mil.), barracks for infantery.
  
     Foot bellows, a bellows worked by a treadle. --Knight.
  
     Foot company (Mil.), a company of infantry. --Milton.
  
     Foot gear, covering for the feet, as stocking, shoes, or
        boots.
  
     Foot hammer (Mach.), a small tilt hammer moved by a
        treadle.
  
     Foot iron.
         (a) The step of a carriage.
         (b) A fetter.
  
     Foot jaw. (Zool.) See Maxilliped.
  
     Foot key (Mus.), an organ pedal.
  
     Foot level (Gunnery), a form of level used in giving any
        proposed angle of elevation to a piece of ordnance.
        --Farrow.
  
     Foot mantle, a long garment to protect the dress in riding;
        a riding skirt. [Obs.]
  
     Foot page, an errand boy; an attendant. [Obs.]
  
     Foot passenger, one who passes on foot, as over a road or
        bridge.
  
     Foot pavement, a paved way for foot passengers; a footway;
        a trottoir.
  
     Foot poet, an inferior poet; a poetaster. [R.] --Dryden.
  
     Foot post.
         (a) A letter carrier who travels on foot.
         (b) A mail delivery by means of such carriers.
  
     Fot pound, & Foot poundal. (Mech.) See Foot pound and
        Foot poundal, in the Vocabulary.
  
     Foot press (Mach.), a cutting, embossing, or printing
        press, moved by a treadle.
  
     Foot race, a race run by persons on foot. --Cowper.
  
     Foot rail, a railroad rail, with a wide flat flange on the
        lower side.
  
     Foot rot, an ulcer in the feet of sheep; claw sickness.
  
     Foot rule, a rule or measure twelve inches long.
  
     Foot screw, an adjusting screw which forms a foot, and
        serves to give a machine or table a level standing on an
        uneven place.
  
     Foot secretion. (Zool.) See Sclerobase.
  
     Foot soldier, a soldier who serves on foot.
  
     Foot stick (Printing), a beveled piece of furniture placed
        against the foot of the page, to hold the type in place.
        
  
     Foot stove, a small box, with an iron pan, to hold hot
        coals for warming the feet.
  
     Foot tubercle. (Zool.) See Parapodium.
  
     Foot valve (Steam Engine), the valve that opens to the air
        pump from the condenser.
  
     Foot vise, a kind of vise the jaws of which are operated by
        a treadle.
  
     Foot waling (Naut.), the inside planks or lining of a
        vessel over the floor timbers. --Totten.
  
     Foot wall (Mining), the under wall of an inclosed vein.
        [1913 Webster]
  
     By foot, or On foot, by walking; as, to pass a stream on
        foot.
  
     Cubic foot. See under Cubic.
  
     Foot and mouth disease, a contagious disease (Eczema
        epizo["o]tica) of cattle, sheep, swine, etc.,
        characterized by the formation of vesicles and ulcers in
        the mouth and about the hoofs.
  
     Foot of the fine (Law), the concluding portion of an
        acknowledgment in court by which, formerly, the title of
        land was conveyed. See Fine of land, under Fine, n.;
        also Chirograph. (b).
  
     Square foot. See under Square.
  
     To be on foot, to be in motion, action, or process of
        execution.
  
     To keep the foot (Script.), to preserve decorum. "Keep thy
        foot when thou goest to the house of God." --Eccl. v. 1.
  
     To put one's foot down, to take a resolute stand; to be
        determined. [Colloq.]
  
     To put the best foot foremost, to make a good appearance;
        to do one's best. [Colloq.]
  
     To set on foot, to put in motion; to originate; as, to set
        on foot a subscription.
  
     To put one on his feet, or set one on his feet, to put
        one in a position to go on; to assist to start.
  
     Under foot.
         (a) Under the feet; (Fig.) at one's mercy; as, to trample
             under foot. --Gibbon.
         (b) Below par. [Obs.] "They would be forced to sell . . .
             far under foot." --Bacon.
             [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Screw \Screw\ (skr[udd]), n. [OE. scrue, OF. escroue, escroe,
     female screw, F. ['e]crou, L. scrobis a ditch, trench, in
     LL., the hole made by swine in rooting; cf. D. schroef a
     screw, G. schraube, Icel. skr[=u]fa.]
     1. A cylinder, or a cylindrical perforation, having a
        continuous rib, called the thread, winding round it
        spirally at a constant inclination, so as to leave a
        continuous spiral groove between one turn and the next, --
        used chiefly for producing, when revolved, motion or
        pressure in the direction of its axis, by the sliding of
        the threads of the cylinder in the grooves between the
        threads of the perforation adapted to it, the former being
        distinguished as the external, or male screw, or, more
        usually the screw; the latter as the internal, or female
        screw, or, more usually, the nut.
        [1913 Webster]
  
     Note: The screw, as a mechanical power, is a modification of
           the inclined plane, and may be regarded as a
           right-angled triangle wrapped round a cylinder, the
           hypotenuse of the marking the spiral thread of the
           screw, its base equaling the circumference of the
           cylinder, and its height the pitch of the thread.
           [1913 Webster]
  
     2. Specifically, a kind of nail with a spiral thread and a
        head with a nick to receive the end of the screw-driver.
        Screws are much used to hold together pieces of wood or to
        fasten something; -- called also wood screws, and screw
        nails. See also Screw bolt, below.
        [1913 Webster]
  
     3. Anything shaped or acting like a screw; esp., a form of
        wheel for propelling steam vessels. It is placed at the
        stern, and furnished with blades having helicoidal
        surfaces to act against the water in the manner of a
        screw. See Screw propeller, below.
        [1913 Webster]
  
     4. A steam vesel propelled by a screw instead of wheels; a
        screw steamer; a propeller.
        [1913 Webster]
  
     5. An extortioner; a sharp bargainer; a skinflint; a niggard.
        --Thackeray.
        [1913 Webster]
  
     6. An instructor who examines with great or unnecessary
        severity; also, a searching or strict examination of a
        student by an instructor. [Cant, American Colleges]
        [1913 Webster]
  
     7. A small packet of tobacco. [Slang] --Mayhew.
        [1913 Webster]
  
     8. An unsound or worn-out horse, useful as a hack, and
        commonly of good appearance. --Ld. Lytton.
        [1913 Webster]
  
     9. (Math.) A straight line in space with which a definite
        linear magnitude termed the pitch is associated (cf. 5th
        Pitch, 10
        (b) ). It is used to express the displacement of a rigid
            body, which may always be made to consist of a
            rotation about an axis combined with a translation
            parallel to that axis.
            [1913 Webster]
  
     10. (Zool.) An amphipod crustacean; as, the skeleton screw
         ({Caprella). See Sand screw, under Sand.
         [1913 Webster]
  
     Archimedes screw, Compound screw, Foot screw, etc. See
        under Archimedes, Compound, Foot, etc.
  
     A screw loose, something out of order, so that work is not
        done smoothly; as, there is a screw loose somewhere. --H.
        Martineau.
  
     Endless screw, or perpetual screw, a screw used to give
        motion to a toothed wheel by the action of its threads
        between the teeth of the wheel; -- called also a worm.
        
  
     Lag screw. See under Lag.
  
     Micrometer screw, a screw with fine threads, used for the
        measurement of very small spaces.
  
     Right and left screw, a screw having threads upon the
        opposite ends which wind in opposite directions.
  
     Screw alley. See Shaft alley, under Shaft.
  
     Screw bean. (Bot.)
         (a) The curious spirally coiled pod of a leguminous tree
             ({Prosopis pubescens) growing from Texas to
             California. It is used for fodder, and ground into
             meal by the Indians.
         (b) The tree itself. Its heavy hard wood is used for
             fuel, for fencing, and for railroad ties.
  
     Screw bolt, a bolt having a screw thread on its shank, in
        distinction from a key bolt. See 1st Bolt, 3.
  
     Screw box, a device, resembling a die, for cutting the
        thread on a wooden screw.
  
     Screw dock. See under Dock.
  
     Screw engine, a marine engine for driving a screw
        propeller.
  
     Screw gear. See Spiral gear, under Spiral.
  
     Screw jack. Same as Jackscrew.
  
     Screw key, a wrench for turning a screw or nut; a spanner
        wrench.
  
     Screw machine.
         (a) One of a series of machines employed in the
             manufacture of wood screws.
         (b) A machine tool resembling a lathe, having a number of
             cutting tools that can be caused to act on the work
             successively, for making screws and other turned
             pieces from metal rods.
  
     Screw pine (Bot.), any plant of the endogenous genus
        Pandanus, of which there are about fifty species,
        natives of tropical lands from Africa to Polynesia; --
        named from the spiral arrangement of the pineapple-like
        leaves.
  
     Screw plate, a device for cutting threads on small screws,
        consisting of a thin steel plate having a series of
        perforations with internal screws forming dies.
  
     Screw press, a press in which pressure is exerted by means
        of a screw.
  
     Screw propeller, a screw or spiral bladed wheel, used in
        the propulsion of steam vessels; also, a steam vessel
        propelled by a screw.
  
     Screw shell (Zool.), a long, slender, spiral gastropod
        shell, especially of the genus Turritella and allied
        genera. See Turritella.
  
     Screw steamer, a steamship propelled by a screw.
  
     Screw thread, the spiral rib which forms a screw.
  
     Screw stone (Paleon.), the fossil stem of an encrinite.
  
     Screw tree (Bot.), any plant of the genus Helicteres,
        consisting of about thirty species of tropical shrubs,
        with simple leaves and spirally twisted, five-celled
        capsules; -- also called twisted-horn, and twisty.
  
     Screw valve, a stop valve which is opened or closed by a
        screw.
  
     Screw worm (Zool.), the larva of an American fly
        ({Compsomyia macellaria), allied to the blowflies, which
        sometimes deposits its eggs in the nostrils, or about
        wounds, in man and other animals, with fatal results.
  
     Screw wrench.
         (a) A wrench for turning a screw.
         (b) A wrench with an adjustable jaw that is moved by a
             screw.
  
     To put the screws on or To put the screw on, to use
        pressure upon, as for the purpose of extortion; to coerce.
        
  
     To put under the screw or To put under the screws, to
        subject to pressure; to force.
  
     Wood screw, a metal screw with a sharp thread of coarse
        pitch, adapted to holding fast in wood. See Illust. of
        Wood screw, under Wood.
        [1913 Webster]

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