n. A North American tree belonging to the genus Carya, of the natural order Juglandeœ.n. The wood of this tree.n. In Australia, a name applied to several trees the wood of which is used for the same purposes as that of the American hickories, especially the hickory-acacia, Acacia leprosa, the blackwood of Australia, Acacia Melanoxylon, and the hickory-eucalyptus, Eucalyptus punctata.n. In Tasmania, a shrub or small tree of the rue family, Phebalium squameum, conspicuous for its strong smell, silvery under-surface of the leaves, and small pink-and-white flowers.n. Same as white-heart hickory.n. Same as pignut, 2.n. Same as bitternut.n. The shellbark, Hicoria ovata.