Real Dictionary

pasture
variable noun: Pasture is land with grass growing on it for farm animals to eat.

pasture in American English
grass or other growing plants used as food by grazing animals
to put (cattle, etc.) out to graze in a pasture
noun: an area covered with grass or other plants used or suitable for the grazing of livestock; grassland

pasture in British English
noun: land covered with grass or herbage and grazed by or suitable for grazing by livestock
verb: to cause (livestock) to graze or (of livestock) to graze (a pasture)