| Noun | 1. | poplar - soft light-colored non-durable wood of the poplarpoplar tree, poplar - any of numerous trees of north temperate regions having light soft wood and flowers borne in catkins wood - the hard fibrous lignified substance under the bark of trees |
| 2. | poplar - any of numerous trees of north temperate regions having light soft wood and flowers borne in catkinsgenus Populus, Populus - a genus of trees of the family Salicaceae that is found in the northern hemisphere; poplars poplar - soft light-colored non-durable wood of the poplar balsam poplar, hackmatack, Populus balsamifera, tacamahac - poplar of northeastern North America with broad heart-shaped leaves abele, aspen poplar, Populus alba, silver-leaved poplar, white aspen, white poplar - a poplar that is widely cultivated in the United States; has white bark and leaves with whitish undersurfaces gray poplar, grey poplar, Populus canescens - large rapidly growing poplar with faintly lobed dentate leaves grey on the lower surface; native to Europe but introduced and naturalized elsewhere black poplar, Populus nigra - large European poplar cottonwood - any of several North American trees of the genus Populus having a tuft of cottony hairs on the seed aspen - any of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind angiospermous tree, flowering tree - any tree having seeds and ovules contained in the ovary |