swamp willow swamp white oak • swamp willow herb · · · Info · Definitions · Synonyms · Characters · · swamp willow · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) North American shrubby willow having dark bark and linear leaves growing close to streams and lakes. Synonyms: swamp willow, black willow, Salix nigra. · · Noun Definition 1 Synonyms · · · black willow · · Synonym 1 salix nigra · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 w latin small letter w U+0077