Alisma alisier • Alismaceae · · · Info · Definitions · Characters · · Alisma · · Text Latin · · Script 6 · · Length Definitions · · · (noun) small genus of aquatic or semiaquatic plants. Synonyms: genus Alisma. · · Noun Definition 1 Characters · · A latin capital letter a U+0041 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 s latin small letter s U+0073