What does the word birch mean?

Usage examples for birch

  1. The cattle are called at night by a horn made of birch bark. – Norwegian Life by Ethlyn T. Clough
  2. They are the natural home of the black and yellow birch, which grow here to unusual size. – A Year in the Fields by John Burroughs
  3. The hilltops were covered with birch forests. – Northland Heroes by Florence Holbrook