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
      table.

   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]

The Collaborative International Dictionary of English v.0.48:

Band \Band\ (b[a^]nd), n. [OE. band, bond, Icel. band; akin to
   G., Sw., & D. band, OHG. bant, Goth. bandi, Skr. bandha a
   binding, bandh to bind, for bhanda, bhandh, also to E. bend,
   bind. In sense 7, at least, it is fr. F. bande, from OHG.
   bant. [root]90. See Bind, v. t., and cf. Bend, Bond,
   1st Bandy.]
   1. A fillet, strap, or any narrow ligament with which a thing
      is encircled, or fastened, or by which a number of things
      are tied, bound together, or confined; a fetter.
      [1913 Webster]

            Every one's bands were loosed.        --Acts xvi.
                                                  26.
      [1913 Webster]

   2. (Arch.)
      (a) A continuous tablet, stripe, or series of ornaments,
          as of carved foliage, of color, or of brickwork, etc.
      (b) In Gothic architecture, the molding, or suite of
          moldings, which encircles the pillars and small
          shafts.
          [1913 Webster]

   3. That which serves as the means of union or connection
      between persons; a tie. "To join in Hymen's bands."
      --Shak.
      [1913 Webster]

   4. A linen collar or ruff worn in the 16th and 17th
      centuries.
      [1913 Webster]

   5. pl. Two strips of linen hanging from the neck in front as
      part of a clerical, legal, or academic dress.
      [1913 Webster]

   6. A narrow strip of cloth or other material on any article
      of dress, to bind, strengthen, ornament, or complete it.
      "Band and gusset and seam." --Hood.
      [1913 Webster]

   7. A company of persons united in any common design,
      especially a body of armed men.
      [1913 Webster]

            Troops of horsemen with his bands of foot. --Shak.
      [1913 Webster]

   8. A number of musicians who play together upon portable
      musical instruments, especially those making a loud sound,
      as certain wind instruments (trumpets, clarinets, etc.),
      and drums, or cymbals; as, a high school's marching band.
      [1913 Webster]

   9. (Bot.) A space between elevated lines or ribs, as of the
      fruits of umbelliferous plants.
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   10. (Zool.) A stripe, streak, or other mark transverse to the
       axis of the body.
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   11. (Mech.) A belt or strap.
       [1913 Webster]

   12. A bond. [Obs.] "Thy oath and band." --Shak.
       [1913 Webster]

   13. Pledge; security. [Obs.] --Spenser.
       [1913 Webster]

   Band saw, a saw in the form of an endless steel belt, with
      teeth on one edge, running over wheels.

   big band, a band that is the size of an orchestra, usually
      playing mostly jazz or swing music. The big band typically
      features both ensemble and solo playing, sometimes has a
      lead singer, and is often located in a night club where
      the patrons may dance to its music. The big bands were
      popular from the late 1920's to the 1940's. Contrasted
      with combo, which has fewer players.
      [1913 Webster +PJC]

WordNet (r) 3.0 (2006):

band saw
    n 1: an endless saw consisting of a toothed metal band that is
         driven around two wheels [syn: bandsaw, band saw]