Noun black birch has 2 senses
- sweet birch, cherry birch, black birch, Betula lenta - common birch of the eastern United States having spicy brown bark yielding a volatile oil and hard dark wood used for furniture
--1 is a kind of birch, birch tree
--1 is a member of Betula, genus Betula
- black birch, river birch, red birch, Betula nigra - birch of swamps and river bottoms throughout the eastern United States having reddish-brown bark
--2 is a kind of birch, birch tree
--2 is a member of Betula, genus Betula
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