Source : Webster's Revised Unabridged Dictionary (1913)

Bunch \Bunch\, v. i. [imp. & p. p. {Bunched}; p. pr. & vb. n.
   {Bunching}.]
   To swell out into a bunch or protuberance; to be protuberant
   or round.

         Bunching out into a large round knob at one end.
                                                  --Woodward.

Bunch \Bunch\, v. t.
   To form into a bunch or bunches.

Bunch \Bunch\, n. [Akin to OSw. & Dan. bunke heap, Icel. bunki
   heap, pile, bunga tumor, protuberance; cf. W. pwng cluster.
   Cf. {Bunk}.]
   1. A protuberance; a hunch; a knob or lump; a hump.

            They will carry . . . their treasures upon the
            bunches of camels.                    --Isa. xxx. 6.

   2. A collection, cluster, or tuft, properly of things of the
      same kind, growing or fastened together; as, a bunch of
      grapes; a bunch of keys.

   3. (Mining) A small isolated mass of ore, as distinguished
      from a continuous vein. --Page.

Source : WordNet®

bunch
     n 1: a grouping of a number of similar things; "a bunch of
          trees"; "a cluster of admirers" [syn: {clump}, {cluster},
           {clustering}]
     2: an informal body of friends; "he still hangs out with the
        same crowd" [syn: {crowd}, {crew}, {gang}]
     3: any collection in its entirety; "she bought the whole
        caboodle" [syn: {lot}, {caboodle}]

bunch
     v 1: form into a bunch; "The frightened children bunched together
          in the corner of the classroom" [syn: {bunch together},
          {bunch up}]
     2: gather or cause to gather into a cluster; "She bunched her
        fingers into a fist"; "The students bunched up at the
        registration desk" [syn: {bunch up}, {bundle}, {cluster},
        {clump}]