Wiktionary
sweet birch
n. A tree of the species ''Betula lenta'', with a dark bark resembling a cherry tree's and an aromatic bark and sap used for birch beer.
WordNet
sweet birch
n. common birch of the eastern United States having spicy brown bark yielding a volatile oil and hard dark wood used for furniture [syn: cherry birch, black birch, Betula lenta]