Definition of birch noun from the Oxford Advanced American Dictionary

     

    birch

     noun
    noun
    NAmE//bərtʃ//
     
     
    jump to other results
  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
    NAmE//ˈbɜrtʃwʊd//
     
    )
    [uncountable] the hard pale wood of the birch tree
  3. 3 the 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