名词

1. 桦树；白桦
A birch is a type of tall tree with thin branches.

2. 杖笞
The birch is a punishment in which someone is hit with a wooden stick.

1. a switch consisting of a twig or a bundle of twigs from a birch tree
used to hit people as punishment

e.g. my father never spared the birch

Synonym: birch rod

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

Synonym: birch tree

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