Webster's Revised Unabridged Dictionary · 1913

Pasture

Pasture , noun

[Old French pasture, French pâture, Latin pastura, from pascere, pastum, to pasture, to feed. See Pastor.]

1.
Food; nourishment. [Obsolete]
Toads and frogs his pasture poisonous. — Spenser
2.
Specifically: Grass growing for the food of cattle; the food of cattle taken by grazing.
3.
Grass land for cattle, horses, etc.; pasturage.
He maketh me to lie down in green pastures. — Bible (KJV) - Psalm xxiii. 2
So graze as you find pasture. — Shakespeare

Pasture , transitive verb

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.

Pasture , intransitive verb

To feed on growing grass; to graze.