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3 definitions found
 for Circular saw
From The Collaborative International Dictionary of English v.0.48 :

  Saw \Saw\, n. [OE. sawe, AS. sage; akin to D. zaag, G. s[aum]ge,
     OHG. sega, saga, Dan. sav, Sw. s[*a]g, Icel. s["o]g, L.
     secare to cut, securis ax, secula sickle. Cf. Scythe,
     Sickle, Section, Sedge.]
     An instrument for cutting or dividing substances, as wood,
     iron, etc., consisting of a thin blade, or plate, of steel,
     with a series of sharp teeth on the edge, which remove
     successive portions of the material by cutting and tearing.
     [1913 Webster]
     Note: Saw is frequently used adjectively, or as the first
           part of a compound.
           [1913 Webster]
     Band saw, Crosscut saw, etc. See under Band,
        Crosscut, etc.
     Circular saw, a disk of steel with saw teeth upon its
        periphery, and revolved on an arbor.
     Saw bench, a bench or table with a flat top for for sawing,
        especially with a circular saw which projects above the
     Saw file, a three-cornered file, such as is used for
        sharpening saw teeth.
     Saw frame, the frame or sash in a sawmill, in which the
        saw, or gang of saws, is held.
     Saw gate, a saw frame.
     Saw gin, the form of cotton gin invented by Eli Whitney, in
        which the cotton fibers are drawn, by the teeth of a set
        of revolving circular saws, through a wire grating which
        is too fine for the seeds to pass.
     Saw grass (Bot.), any one of certain cyperaceous plants
        having the edges of the leaves set with minute sharp
        teeth, especially the Cladium Mariscus of Europe, and
        the Cladium effusum of the Southern United States. Cf.
        Razor grass, under Razor.
     Saw log, a log of suitable size for sawing into lumber.
     Saw mandrel, a mandrel on which a circular saw is fastened
        for running.
     Saw pit, a pit over which timbor is sawed by two men, one
        standing below the timber and the other above. --Mortimer.
     Saw sharpener (Zool.), the great titmouse; -- so named from
        its harsh call note. [Prov. Eng.]
     Saw whetter (Zool.), the marsh titmouse ({Parus
        palustris); -- so named from its call note. [Prov. Eng.]
     Scroll saw, a ribbon of steel with saw teeth upon one edge,
        stretched in a frame and adapted for sawing curved
        outlines; also, a machine in which such a saw is worked by
        foot or power.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Circular \Cir"cu*lar\, a. [L. circularis, fr. circulus circle:
     cf. F. circulaire. See Circle.]
     [1913 Webster]
     1. In the form of, or bounded by, a circle; round.
        [1913 Webster]
     2. repeating itself; ending in itself; reverting to the point
        of beginning; hence, illogical; inconclusive; as, circular
        [1913 Webster]
     3. Adhering to a fixed circle of legends; cyclic; hence,
        mean; inferior. See Cyclic poets, under Cyclic.
        [1913 Webster]
              Had Virgil been a circular poet, and closely adhered
              to history, how could the Romans have had Dido?
        [1913 Webster]
     4. Addressed to a circle, or to a number of persons having a
        common interest; circulated, or intended for circulation;
        as, a circular letter.
        [1913 Webster]
              A proclamation of Henry III., . . . doubtless
              circular throughout England.          --Hallam.
        [1913 Webster]
     5. Perfect; complete. [Obs.]
        [1913 Webster]
              A man so absolute and circular
              In all those wished-for rarities that may take
              A virgin captive.                     --Massinger.
        [1913 Webster]
     Circular are, any portion of the circumference of a circle.
     Circular cubics (Math.), curves of the third order which
        are imagined to pass through the two circular points at
     Circular functions. (Math.) See under Function.
     Circular instruments, mathematical instruments employed for
        measuring angles, in which the graduation extends round
        the whole circumference of a circle, or 360[deg].
     Circular lines, straight lines pertaining to the circle, as
        sines, tangents, secants, etc.
     Circular+note{+or+Circular+letter">Circular note{ or Circular letter.
        (a) (Com.) See under Credit.
        (b) (Diplomacy) A letter addressed in identical terms to a
            number of persons.
     Circular numbers (Arith.), those whose powers terminate in
        the same digits as the roots themselves; as 5 and 6, whose
        squares are 25 and 36. --Bailey. --Barlow.
     Circular points at infinity (Geom.), two imaginary points
        at infinite distance through which every circle in the
        plane is, in the theory of curves, imagined to pass.
     Circular polarization. (Min.) See under Polarization.
     Circular sailing or Globular sailing (Naut.), the method
        of sailing by the arc of a great circle.
     Circular saw. See under Saw.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

  circular saw
      n 1: a power saw that has a steel disk with cutting teeth on the
           periphery; rotates on a spindle [syn: circular saw, buzz

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