A genus of hardy northern forest trees (Betula), having smooth tough bark and very slender branches. esp. The common European species (B. alba)…

Used to designate trees (less frequently other plants) the branches of which arch over and hang down drooping. Chiefly in the distinctive names of…

a birch tree with green leaves in winter.

Any of several North American birch trees with dark coloured bark, esp. the sweet birch, Betula lenta of eastern North America, and B. occidentalis…

a North American species of birch, as Betula lenta or Betula nigra, from the sap of which sugar is obtained.

the paper birch of North America, Betula papyrifera, which has white, peeling bark.

U.S. The river birch, Betula nigra, of the eastern United States, the young bark of which is dark red. Now rare.

a large North American birch with yellowish-grey bark, Betula alleghaniensis; the wood of this tree.

a North American birch, Betula papyrifera, with large leaves and white bark that peels in papery layers; also called canoe birch.

the paper birch, Betula papyrifera, the bark of which was traditionally used by indigenous peoples of Canada and the northern United States to make…

(a) the sweet birch, Betula lenta (cf. mountain birch n.); (b) any of various shrubs of the genus Cercocarpus (family Rosaceae), noted for their…

Any of several North American birches, esp. the white birch, Betula populifolia.

the black birch, Betula lenta, so called from its hard reddish-brown wood.

A large New Zealand timber tree, Weinmannia racemosa, N.O. Saxifragaceæ, also called by colonists black birch.

the red birch, Betula nigra, which grows on riverbanks and swamps in the eastern United States.

A forest tree, Weinmannia racemosa, belonging to the family Cunoniaceæ, and bearing racemes of small, cream flowers.

a small birch of eastern North America, Betula populifolia, with light-coloured bark.