rav·in /ˈrævən/
  掠奪,獵食,掠奪物
  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.
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  Rav·en n.  [Written also ravin, and ravine.]
  1. Rapine; rapacity.
  2. Prey; plunder; food obtained by violence.
  Rav·in a. Ravenous. [Obs.]
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  Rav·in, Rav·ine  n.  Food obtained by violence; plunder; prey; raven. “Fowls of ravyne.”
  Though Nature, red in tooth and claw
  With ravine, shrieked against his creed.   --Tennyson.
  Rav·in, Rav·ine, v. t. & i. See Raven, v. t. & i.