Definition of pastures:
(n) :
Land, specifically, an open field, on which livestock is kept for feeding.
(n) :
Ground covered with grass or herbage, used or suitable for the grazing of livestock.
(v) :
(transitive) To move animals into a pasture.
(v) :
(intransitive) To graze.
(v) :
(transitive) To feed, especially on growing grass; to supply grass as food for.
(n) :
(obsolete) Food, nourishment.