Source : Webster's Revised Unabridged Dictionary (1913)

Squash \Squash\, n.
   A game much like rackets, played in a walled court with soft
   rubber balls and bats like tennis rackets.

Squash \Squash\, n.
   1. Something soft and easily crushed; especially, an unripe
      pod of pease.

            Not yet old enough for a man, nor young enough for a
            boy; as a squash is before 't is a peascod. --Shak.

   2. Hence, something unripe or soft; -- used in contempt.
      ``This squash, this gentleman.'' --Shak.

   3. A sudden fall of a heavy, soft body; also, a shock of soft
      bodies. --Arbuthnot.

            My fall was stopped by a terrible squash. --Swift.

Squash \Squash\, n. [Cf. {Musquash}.] (Zo["o]l.)
   An American animal allied to the weasel. [Obs.] --Goldsmith.

Squash \Squash\, n. [Massachusetts Indian asq, pl. asquash, raw,
   green, immaturate, applied to fruit and vegetables which were
   used when green, or without cooking; askutasquash vine
   apple.] (Bot.)
   A plant and its fruit of the genus {Cucurbita}, or gourd
   kind.

   Note: The species are much confused. The long-neck squash is
         called {Cucurbita verrucosa}, the Barbary or China
         squash, {C. moschata}, and the great winter squash, {C.
         maxima}, but the distinctions are not clear.

   {Squash beetle} (Zo["o]l.), a small American beetle
      ({Diabrotica, or Galeruca vittata}) which is often
      abundant and very injurious to the leaves of squash,
      cucumber, etc. It is striped with yellow and black. The
      name is applied also to other allied species.

   {Squash bug} (Zo["o]l.), a large black American hemipterous
      insect ({Coreus, or Anasa, tristis}) injurious to squash
      vines.

Squash \Squash\, v. t. [imp. & p. p. {Squashed}; p. pr. & vb. n.
   {Squashing}.] [OE. squashen, OF. escachier, esquachier, to
   squash, to crush, F. ['e]cacher, perhaps from (assumed) LL.
   excoacticare, fr. L. ex + coactare to constrain, from cogere,
   coactum, to compel. Cf. {Cogent}, {Squat}, v. i.]
   To beat or press into pulp or a flat mass; to crush.

Source : WordNet®

squash
     n 1: any of numerous annual tendril-bearing trailing plants of
          the genus Cucurbita grown for their fleshy edible fruits
          [syn: {squash vine}]
     2: edible fruit of a squash plant; eaten as a vegetable
     3: a game played in an enclosed court by two or four players
        who strike the ball with long-handled rackets [syn: {squash
        racquets}, {squash rackets}]
     [also: {squashes} (pl)]

squash
     v : to compress with violence, out of natural shape or
         condition; "crush an aluminum can"; "squeeze a lemon"
         [syn: {crush}, {squelch}, {mash}, {squeeze}]
     [also: {squashes} (pl)]