Source : Webster's Revised Unabridged Dictionary (1913)

Squad \Squad\, n. [F. escouade, fr. Sp. escuadra, or It.
   squadra, (assumed) LL. exquadrare to square; L. ex + quadra a
   square. See {Square}.]
   1. (Mil.) A small party of men assembled for drill,
      inspection, or other purposes.

   2. Hence, any small party.

Squad \Squad\, n.
   Sloppy mud. [Prov. Eng.] --Tennyson.

Source : WordNet®

squad
     n 1: a smallest army unit
     2: a cooperative unit [syn: {team}]