The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]

         Bunching out into a large round knob at one end.
                                                  --Woodward.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bunch \Bunch\ (b[u^]nch; 224), 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.
      [1913 Webster]

            They will carry . . . their treasures upon the
            bunches of camels.                    --Isa. xxx. 6.
      [1913 Webster]

   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.
      [1913 Webster]

   3. (Mining) A small isolated mass of ore, as distinguished
      from a continuous vein. --Page.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bunch \Bunch\, v. t.
   To form into a bunch or bunches.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bunch
    n 1: a grouping of a number of similar things; "a bunch of
         trees"; "a cluster of admirers" [syn: bunch, clump,
         cluster, clustering]
    2: an informal body of friends; "he still hangs out with the
       same crowd" [syn: crowd, crew, gang, bunch]
    3: any collection in its entirety; "she bought the whole
       caboodle" [syn: bunch, lot, caboodle]
    v 1: form into a bunch; "The frightened children bunched
         together in the corner of the classroom" [syn: bunch
         together, bunch, bunch up]
    2: gather or cause to gather into a cluster; "She bunched her
       fingers into a fist" [syn: bunch, bunch up, bundle,
       cluster, clump]

Moby Thesaurus II by Grady Ward, 1.0:

361 Moby Thesaurus words for "bunch":
   a mass of, a world of, accumulate, adhere, affiliate, age group,
   agglomerate, agglomeration, aggregate, aggroup, ally, amass,
   amount, army, assemble, assembly, associate, assort, assortment,
   band, band together, batch, battalion, be in cahoots, bevy, bilge,
   blain, bleb, blister, blob, body, boss, bouquet, bow, bracket,
   breccia, brigade, bring together, bubble, budget, bulb, bulge,
   bulk, bulla, bump, bunch together, bunch up, bundle, burl, button,
   cabal, cadre, cahot, camarilla, cast, categorize, cell,
   cement a union, centralize, charmed circle, chine, chunk, circle,
   clan, clasp, class, classify, cleave, clinch, cling, cling to,
   clique, closed circle, clot, cloud, club, club together, clump,
   cluster, clutch, clutter, coagulate, cohere, cohort, collect,
   collection, colligate, collocate, colony, combine, come together,
   company, compare, compile, complement, concrete, concretion,
   condyle, confederate, congeal, conglomerate, conglomeration,
   congregate, consociate, conspire, contingent, converge, convex,
   copse, copulate, corps, corral, coterie, count, couple, covey,
   crew, crop, crowd, cumulate, date, deal, detachment, detail,
   dig up, division, dose, dowel, draw together, dredge up, drift,
   drive, drive together, drove, ear, elite, elite group, embrace,
   faction, federalize, federate, flange, flap, fleet, flight, flock,
   flock together, flocks, flow together, forgather, freeze to, fuse,
   gall, gam, gang, gang around, gang up, gather, gather around,
   gather in, gather together, gathering, get in, get together, gnarl,
   go in partners, go in partnership, gob, grasp, group, grouping,
   groupment, grove, grow together, hail, handle, hang on,
   hang together, hassock, heap, herd, herd together, hill, hive,
   hold, hold on, hold together, hook up with, horde, host, huddle,
   hug, hump, hunch, hunk, in-group, ingroup, inner circle, jam, jog,
   joggle, join, join forces, join fortunes with, join together,
   join up with, join with, junta, junto, juxtapose, kennel, knob,
   knot, knur, knurl, large amount, league, legion, link, lip, litter,
   loop, lot, lots, lump, lump together, make up, many, marry, mass,
   masses of, match, measure, meet, merge, mess, mill, mob, mobilize,
   mole, mountain, movement, muchness, multitude, muster, nest, nevus,
   nosegay, nub, nubbin, nubble, number, numbers, organize, out-group,
   outfit, pack, pair, pair off, papilloma, parcel, part, partner,
   party, peer group, peg, persist, phalanx, platoon, plurality, pod,
   portion, posse, posy, pride, push, put together, quantities,
   quantity, quite a few, raise, rake up, rally, rally around, ration,
   regiment, rendezvous, rib, ridge, ring, round up, rout, ruck,
   salon, school, scores, scrape together, seethe, set, shoal, shock,
   shoulder, skulk, slew, sloth, small amount, smock, solidify, sort,
   spine, spray, squad, stable, stand together, stand up with, stay,
   stay put, stick, stick together, stook, stream, string, stud,
   style, sum, surge, swarm, tab, take hold of, take up, team,
   team up with, team with, thicket, throng, throw in with, tidy sum,
   tie in with, tie up with, tribe, trip, troop, troupe, tubercle,
   tubercule, tuft, tussock, unionize, unite, unite with, verruca,
   vesicle, wale, wart, we-group, wed, welt, whip in, wing, wisp,
   worlds of



Easton's 1897 Bible Dictionary:

Bunch
   (1.) A bundle of twigs (Ex. 12:22). (2.) Bunch or cake of
   raisins (2 Sam. 16:1). (3.) The "bunch of a camel" (Isa. 30:6).