For"est*er (?), n. [F. forestier, LL. forestarius.] 1. One who has charge of the growing timber on an estate; an officer appointed to watch a forest and preserve the game.

2. An inhabitant of a forest. Wordsworth.

3. A forest tree. [R.] Evelyn.

4. (Zoöl.) 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.