(1):
(v. t.) To strip of provisions; to supply with forage; as, to forage steeds.
(2):
(n.) The act of foraging; search for provisions, etc.
(3):
(n.) Food of any kind for animals, especially for horses and cattle, as grass, pasture, hay, corn, oats.
(4):
(v. i.) To wander or rove in search of food; to collect food, esp. forage, for horses and cattle by feeding on or stripping the country; to ravage; to feed on spoil.