Alismataceae alismataceae • alismatidae · · · Info · Definitions · Characters · · Alismataceae · · Text Latin · · Script 12 · · Length 5 · · Syllables Definitions · · · (noun) perennial or annual aquatic or marsh plants. Synonyms: family Alismataceae, water-plantain family. · · Noun Definition 1 Characters · · A latin capital letter a U+0041 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D s latin small letter s U+0073 t latin small letter t U+0074