Source : Webster's Revised Unabridged Dictionary (1913)

Raven \Ra"ven\, a.
   Of the color of the raven; jet black; as, raven curls; raven
   darkness.

Raven \Rav"en\, n. [OF. ravine impetuosity, violence, F. ravine
   ravine. See {Ravine}, {Rapine}.] [Written also {ravin}, and
   {ravine}.]
   1. Rapine; rapacity. --Ray.

   2. Prey; plunder; food obtained by violence.

Raven \Rav"en\, v. t. [imp. & p. p. {Ravened}; p. pr. & vb. n.
   {Ravening}.] [Written also ravin, and ravine.]
   1. To obtain or seize by violence. --Hakewill.

   2. To devoir with great eagerness.

            Like rats that ravin down their proper bane. --Shak.

Raven \Rav"en\, v. i.
   To prey with rapacity; to be greedy; to show rapacity.
   [Written also {ravin}, and {ravine}.]

         Benjamin shall raven as a wolf.          --Gen. xlix.
                                                  27.

Raven \Ra"ven\, n. [AS. hr[ae]fn; akin to raaf, G. rabe, OHG.
   hraban, Icel. hrafn, Dan. ravn, and perhaps to L. corvus, Gr.
   ?. ???.] (Zo["o]l.)
   A large black passerine bird ({Corvus corax}), similar to the
   crow, but larger. It is native of the northern part of
   Europe, Asia and America, and is noted for its sagacity.

   {Sea raven} (Zo["o]l.), the cormorant.

Source : WordNet®

raven
     n : large black bird with a straight bill and long wedge-shaped
         tail [syn: {Corvus corax}]

raven
     v 1: obtain or seize by violence
     2: prey on or hunt for; "These mammals predate certain eggs"
        [syn: {prey}, {predate}]
     3: eat greedily; "he devoured three sandwiches" [syn: {devour},
         {guttle}, {pig}]
     4: feed greedily; "The lions ravened the bodies"