Pop"lar (?), n. [OE. popler, OF. poplier, F. peuplier, fr. L. populus poplar.] Bot.
Any tree of the genus Populus; also, the timber, which is soft, and capable of many uses.
⇒ The aspen poplar is Populus tremula and P. tremuloides; Balsam poplar is P. balsamifera; Lombardy poplar (P. dilatata) is a tall, spiry tree; white poplar is Populus alba.
The timber of the tulip tree; -- called also white poplar.
© Webster 1913.