The Collaborative International Dictionary of English v.0.48:

Crows \Crows\ (kr[=o]z), n. pl.; sing. Crow. (Ethnol.)
   A tribe of Indians of the Dakota stock, living in Montana; --
   also called Upsarokas.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Crow \Crow\, n. [AS. cr[=a]we a crow (in sense 1); akin to D.
   kraai, G. kr[aum]he; cf. Icel. kr[=a]ka crow. So named from
   its cry, from AS. cr[=a]wan to crow. See Crow, v. i. ]
   [1913 Webster]
   1. (Zool.) A bird, usually black, of the genus Corvus,
      having a strong conical beak, with projecting bristles. It
      has a harsh, croaking note. See Caw.
      [1913 Webster]

   Note: The common crow of Europe, or carrion crow, is Corvus
         corone. The common American crow is Corvus
         Americanus. See Carrion crow, and Illustr., under
         Carrion.
         [1913 Webster]

   2. A bar of iron with a beak, crook, or claw; a bar of iron
      used as a lever; a crowbar.
      [1913 Webster]

            Get me an iron crow, and bring it straight
            Unto my cell.                         --Shak.
      [1913 Webster]

   3. The cry of the cock. See Crow, v. i., 1.
      [1913 Webster]

   4. The mesentery of a beast; -- so called by butchers.
      [1913 Webster]

   Carrion crow. See under Carrion.

   Crow blackbird (Zool.), an American bird (Quiscalus
      quiscula); -- called also purple grackle.

   Crow pheasant (Zool.), an Indian cuckoo; the common coucal.
      It is believed by the natives to give omens. See Coucal.


   Crow shrike (Zool.), any bird of the genera Gymnorhina,
      Craticus, or Strepera, mostly from Australia.

   Red-legged crow. See Crough.

   As the crow flies, in a direct line.

   To pick a crow, To pluck a crow, to state and adjust a
      difference or grievance (with any one).
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Crow \Crow\ (kr[=o]), v. i. [imp. Crew (kr[udd]) or Crowed
   (kr[=o]d); p. p. Crowed (Crown (kr[=o]n), Obs.); p. pr. &
   vb. n. Crowing.] [AS. cr[=a]wan; akin to D. kraijen, G.
   kr[aum]hen, cf. Lith. groti to croak. [root]24. Cf. Crake.]
   1. To make the shrill sound characteristic of a cock, either
      in joy, gayety, or defiance. "The cock had crown."
      --Bayron.
      [1913 Webster]

            The morning cock crew loud.           --Shak.
      [1913 Webster]

   2. To shout in exultation or defiance; to brag.
      [1913 Webster]

   3. To utter a sound expressive of joy or pleasure.
      [1913 Webster]

            The sweetest little maid,
            That ever crowed for kisses.          --Tennyson.
      [1913 Webster]

   To crow over, to exult over a vanquished antagonist.
      [1913 Webster]

            Sennacherib crowing over poor Jerusalem. --Bp. Hall.
      [1913 Webster]

WordNet (r) 3.0 (2006):

crow
    n 1: black birds having a raucous call
    2: the cry of a cock (or an imitation of it)
    3: a member of the Siouan people formerly living in eastern
       Montana
    4: a small quadrilateral constellation in the southern
       hemisphere near Virgo [syn: Corvus, Crow]
    5: an instance of boastful talk; "his brag is worse than his
       fight"; "whenever he won we were exposed to his gasconade"
       [syn: brag, bragging, crow, crowing, vaporing,
       line-shooting, gasconade]
    6: a Siouan language spoken by the Crow
    v 1: dwell on with satisfaction [syn: gloat, triumph,
         crow]
    2: express pleasure verbally; "She crowed with joy"
    3: utter shrill sounds; "The cocks crowed all morning"

Moby Thesaurus II by Grady Ward, 1.0:

229 Moby Thesaurus words for "crow":
   Homeric laughter, aphonia, artificial voice, bar, bark, bawl,
   be in stitches, beam, bellow, belly laugh, blare, blat, blow,
   blubber, bluster, boff, boffola, boom, brag, bray, break up,
   breathe, broken speech, broken tones, broken voice,
   burst into laughter, burst of laughter, burst out,
   burst out laughing, burst with laughter, bust a gut, buzz,
   cachinnate, cachinnation, cackle, call, cant hook, carol, caw,
   chant, charcoal, chatter, cheep, childish treble, chirk, chirp,
   chirr, chirrup, chitter, choked voice, chortle, chuck, chuckle,
   clack, claw bar, cluck, coal, cock-a-doodle-doo, convulsion, coo,
   cracked voice, crank, croak, cronk, crow over, crowbar, cry,
   cuckoo, delight, drawl, drum, dysarthria, dyslalia, dyslogia,
   dysphasia, dysphonia, dysphrasia, ebon, ebony, exclaim, exult,
   falsetto, fit of laughter, flute, gabble, gaggle,
   gales of laughter, gasconade, gasp, giggle, gloat, gloat over,
   glory, go into convulsions, gobble, growl, grunt, guffaw, guggle,
   ha-ha, handspike, harshness, hawking voice, hearty laugh, hee-haw,
   hee-hee, hilarity, hiss, ho-ho, hoarseness, honk, hoo, hoot,
   horselaugh, idioglossia, idiolalia, impairment of speech, ink,
   iron crow, jet, jimmy, joy, jubilate, keen, laugh, laugh it up,
   laugh outright, laughing, laughter, lever, lilt, limb, lisp,
   lisping, look big, loss of voice, marlinespike, mouth, mumble,
   murmur, mutter, muzzy speech, nasal tone, nasalization,
   nearly die laughing, night, outburst of laughter, outrigger, pant,
   peal of laughter, peavey, pedal, peep, pinch bar, pip, pipe, pitch,
   prate, prize, pry, puff, quack, quaver, raven, ripping bar,
   risibility, roar, roar of laughter, roar with laughter,
   rodomontade, roll, rumble, scold, scream, screech, shake,
   shake like jelly, shake with laughter, shout, shout of laughter,
   shriek, sibilate, sibilation, sigh, sing, sloe, smoke, smut, snap,
   snarl, snicker, snigger, snort, sob, soot, spar, speech defect,
   speech impediment, split, split with laughter, squall, squawk,
   squeal, tar, tee-hee, thunder, titter, treadle, tremor, trill,
   triumph, trumpet, twang, tweet, twit, twitter, vaunt, wail, warble,
   whine, whisper, whistle, wrecking bar, yap, yawp, yell, yelp, yuck,
   yuk-yuk