from
The Collaborative International Dictionary of English v.0.48
Forester \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.
[1913 Webster]
2. An inhabitant of a forest. --Wordsworth.
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3. A forest tree. [R.] --Evelyn.
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4. (Zool.) 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.
[1913 Webster]