black poplar

noun

1

: a European poplar (Populus nigra) of which the Lombardy poplar is a variety

2

a

: swamp cottonwood

b

: the wood of the swamp cottonwood

3

: balsam poplar

4

: a European aspen (Populus tremula) with petioles strongly compressed laterally

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!