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.
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   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.
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            Get me an iron crow, and bring it straight
            Unto my cell.                         --Shak.
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   3. The cry of the cock. See Crow, v. i., 1.
      [1913 Webster]

   4. The mesentery of a beast; -- so called by butchers.
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   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.
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            The morning cock crew loud.           --Shak.
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   2. To shout in exultation or defiance; to brag.
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   3. To utter a sound expressive of joy or pleasure.
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            The sweetest little maid,
            That ever crowed for kisses.          --Tennyson.
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   To crow over, to exult over a vanquished antagonist.
      [1913 Webster]

            Sennacherib crowing over poor Jerusalem. --Bp. Hall.
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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"