American English

Definition of birch noun from the Oxford Advanced American Dictionary



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  1. 1[countable, uncountable] (also birch tree [countable]) a tree with smooth bark and thin branches, that grows in northern regions see also silver birch
  2. 2(also birchwood
    [uncountable] the hard pale wood of the birch tree
  3. 3the birch [singular] the practice of hitting someone with a bunch of birch sticks, used as a punishment, especially in the past
See the Oxford Advanced Learner's Dictionary entry: birch