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3 definitions found
 for Screw bean
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]

From The Collaborative International Dictionary of English v.0.48 :

  Bean \Bean\ (b[=e]n), n. [OE. bene, AS. be['a]n; akin to D.
     boon, G. bohne, OHG. p[=o]na, Icel. baun, Dan. b["o]nne, Sw.
     b["o]na, and perh. to Russ. bob, L. faba.]
     1. (Bot.) A name given to the seed of certain leguminous
        herbs, chiefly of the genera Faba, Phaseolus, and
        Dolichos; also, to the herbs.
        [1913 Webster]
  
     Note: The origin and classification of many kinds are still
           doubtful. Among true beans are: the black-eyed bean and
           China bean, included in Dolichos Sinensis; black
           Egyptian bean or hyacinth bean, Dolichos Lablab; the
           common haricot beans, kidney beans, string beans, and
           pole beans, all included in Phaseolus vulgaris; the
           lower bush bean, Phaseolus vulgaris, variety nanus;
           Lima bean, Phaseolus lunatus; Spanish bean and
           scarlet runner, Phaseolus multiflorus; Windsor bean,
           the common bean of England, Faba vulgaris.
           [1913 Webster] As an article of food beans are classed
           with vegetables.
           [1913 Webster]
  
     2. The popular name of other vegetable seeds or fruits, more
        or less resembling true beans.
        [1913 Webster]
  
     Bean+aphis+(Zool.),+a+plant+louse+({Aphis+fab[ae]">Bean aphis (Zool.), a plant louse ({Aphis fab[ae]) which
        infests the bean plant.
  
     Bean fly (Zool.), a fly found on bean flowers.
  
     Bean+goose+(Zool.),+a+species+of+goose+({Anser+segetum">Bean goose (Zool.), a species of goose ({Anser segetum).
        
  
     Bean weevil (Zool.), a small weevil that in the larval
        state destroys beans. The American species is Bruchus
        fab[ae].
  
     Florida bean (Bot.), the seed of Mucuna urens, a West
        Indian plant. The seeds are washed up on the Florida
        shore, and are often polished and made into ornaments.
  
     Ignatius bean, or St. Ignatius's bean (Bot.), a species
        of Strychnos.
  
     Navy bean, the common dried white bean of commerce;
        probably so called because an important article of food in
        the navy.
  
     Pea bean, a very small and highly esteemed variety of the
        edible white bean; -- so called from its size.
  
     Sacred bean. See under Sacred.
  
     Screw bean. See under Screw.
  
     Sea bean.
        (a) Same as Florida bean.
        (b) A red bean of unknown species used for ornament.
  
     Tonquin bean, or Tonka bean, the fragrant seed of
        Dipteryx odorata, a leguminous tree.
  
     Vanilla bean. See under Vanilla.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

  screw bean
      n 1: spirally twisted sweet pod of screwbean mesquite that is
           used for fodder or ground into meal for feed
      2: shrub or small tree of southwestern United States and
         northwestern Mexico having spirally twisted pods [syn: screw
         bean, screwbean, tornillo, screwbean mesquite,
         Prosopis pubescens]

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