- any tree or shrub of the genus Betula, comprising species with a smooth, laminated outer bark and close-grained wood.
- the wood itself.
- a birch rod, or a bundle of birch twigs, used especially for whipping.
- to beat or punish with or as if with a birch: The young ruffians were birched soundly by their teacher.
- any betulaceous tree or shrub of the genus Betula, having thin peeling bark
- the hard close-grained wood of any of these trees
- a bundle of birch twigs or a birch rod used, esp formerly, for flogging offenders
- of, relating to, or belonging to the birch
- consisting or made of birch
- to flog with a birch