downy poplar downy oat grass • downy wood mint · · · Info · Definitions · Synonyms · Characters · · downy poplar · · Text Common · · Latin · · Scripts 12 · · Length 4 · · Syllables Definitions · · · (noun) North American poplar with large rounded scalloped leaves and brownish bark and wood. Synonyms: swamp cottonwood, black cottonwood, downy poplar, swamp poplar, Populus heterophylla. · · Noun Definition 1 Synonyms · · · swamp cottonwood · · Synonym 1 black cottonwood · · Synonym 2 swamp poplar · · Synonym 3 populus heterophylla · · Synonym 4 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 w latin small letter w U+0077 y latin small letter y U+0079