Pronunciation: (bûrch), [key]
1. any tree or shrub of the genus Betula, comprising species with a smooth, laminated outer bark and close-grained wood. Cf. birch family.
2. the wood itself.
3. a birch rod, or a bundle of birch twigs, used esp. for whipping.
to beat or punish with or as if with a birch: The young ruffians were birched soundly by their teacher.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.