The Collaborative International Dictionary of English v.0.48:

Pasture \Pas"ture\, v. t. [imp. & p. p. Pastured; p. pr. & vb.
   n. Pasturing.]
   To feed, esp. to feed on growing grass; to supply grass as
   food for; as, the farmer pastures fifty oxen; the land will
   pasture forty cows.
   [1913 Webster]