birchbark
birch bark |ˈbərCHˌbärk ˈbərtʃbɑrk |(also birch bark ) ▶noun the impervious bark of the North American paper birch, Betula papyrifera, used, esp. formerly by American Indians, to make canoes and containers: stretch the birchbark over a cedar frame | [ as modifier ] : birchbark baskets. • a canoe of this material.
birch |bark ▶noun [ mass noun ] the impervious bark of the North American paper birch, formerly used by American Indians to make canoes and other items.