(1):

(n.) To feed on, as pasture; to pasture on; to graze.

(2):

(v. i.) To pasture; to feed; to nibble.

(3):

(n.) To eat or nibble off, as the tender branches of trees, shrubs, etc.; - said of cattle, sheep, deer, and some other animals.

(4):

(n.) The tender branches or twigs of trees and shrubs, fit for the food of cattle and other animals; green food.

(5):

(v. i.) To feed on the tender branches or shoots of shrubs or trees, as do cattle, sheep, and deer.