mentha longifolia menthadiene • menthane · · · Info · Definitions · Synonyms · Characters · · mentha longifolia · · Text Common · · Latin · · Scripts 17 · · Length 7 · · Syllables Definitions · · · (noun) a coarse Old World wild water mint having long leaves and spikelike clusters of flowers; naturalized in the eastern United States. Synonyms: horsemint, Mentha longifolia. · · Noun Definition 1 Synonyms · · · horsemint · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074