To clear off (a crop) by feeding it to cattle: said also of the cattle. Also intransitive (for passive) of a crop.

Agriculture. To use (a crop, hay, etc.) as food or fodder for cattle; to eat off.

(transitive) to cut or use as verdage. Also with off.

To place sheep in a fold or folds upon (a piece of ground), for the purpose of manuring it. to fold off: to use (a crop) as pasture for folded sheep.

transitive. U.S. To allow hogs to forage and feed on (a crop or field), in order to remove superfluous vegetation. Frequently with down, off.