n. The sycamore-fig, Ficus Sycomorus, growing in the lowlands of Syria, Egypt, and elsewhere.n. In England, the sycamore-maple, Acer Pseudo-platanus, the plane-tree of the Scotch.n. In the United States, the buttonwood, Platanus occidentalis, or any of the plane-trees. See plane-tree, 1.n. In New South Wales, Sterculia lurida.