(1):

(n.) A forest tree.

(2):

(n.) A lepidopterous insect belonging to Alypia and allied genera; as, the eight-spotted forester (A. octomaculata), which in the larval state is injurious to the grapevine.

(3):

(n.) An inhabitant of a forest.

(4):

(n.) One who has charge of the growing timber on an estate; an officer appointed to watch a forest and preserve the game.