Birch

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).

The wood or timber of the birch.

A birch twig or birch twigs, used for flogging.

A birch-bark canoe.

Of or pertaining to the birch; birchen.

To whip with a birch rod or twig; to flog.

any betulaceous tree or shrub of the genus Betula having a thin peeling bark

hard close-grained wood of any of various birch trees; used especially in furniture and interior finishes and plywood