Papilionaceae Papilio • papilionaceous · · · Info · Definitions · Characters · · Papilionaceae · · Text Latin · · Script 13 · · Length Definitions · · · (noun) leguminous plants whose flowers have butterfly-shaped corollas; commonly included in the family Leguminosae. Synonyms: family Papilionacea. · · Noun Definition 1 Characters · · P latin capital letter p U+0050 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 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070