Definition of: birch

(bûrch) noun
1. Any of an important genus (Betula) of deciduous trees and shrubs of the northern hemisphere, often having outer bark easily separable in sheets.
2. A rod or twig from a birch tree, used as a whip.
3. The tough, close-grained hardwood of the birch tree.
—v.t. To whip with a birch rod; flog.
—adjective Composed or fashioned of birch: also birch·en. [OE birce]
BIRD
Nomenclature for anatomical parts