What is the meaning of Birch?

Any of various trees of the genus Betula, native to countries in the Northern Hemisphere.

A hard wood taken from the birch tree, typically used to make furniture.

A stick, rod or bundle of twigs made from birch wood, used for punishment.

A birch-bark canoe.

To punish with a stick, bundle of twigs, or rod made of birch wood.

To punish as though one were using a stick, bundle of twigs, or rod made of birch wood.

Alternative form of birche

Source: wiktionary.org