(n): a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
(n): exceptionally tough or hard wood of any of a number of ironwood trees
(n): the hard fibrous lignified substance under the bark of trees
(n): a small slow-growing deciduous tree of northern Iran having a low domed shape
(n): any tree having seeds and ovules contained in the ovary
(n): medium-sized hop hornbeam of eastern North America
(n): any of several trees resembling hornbeams with fruiting clusters resembling hops
