Iridaceae irid • iridaceous · · · Info · Definitions · Characters · · Iridaceae · · Text Latin · · Script 9 · · Length Definitions · · · (noun) large family of usually perennial geophytic herbs with rhizomes or corms or bulbs. Synonyms: family Iridaceae, iris family. · · Noun Definition 1 Characters · · I latin capital letter i U+0049 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 r latin small letter r U+0072