Source : Webster's Revised Unabridged Dictionary (1913)

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.