Birch

1. A birch-bark canoe.
2. A birch twig or birch twigs, used for flogging.
3. The wood or timber of the birch.
4. To whip with a birch rod or twig; to flog.
5. A tree of several species, constituting the genus Betula; as, the white or common birch (B. alba) (also called silver birch and lady birch); the dwarf birch (B. glandulosa); the paper or canoe birch (B. papyracea); the yellow birch (B. lutea); the black or cherry birch (B. lenta).