pinnae pinnaclet • pinnaglobin · · · Info · Definitions · Synonyms · Characters · · pinnae · · Text Latin · · Script 6 · · Length Definitions · · · (noun) division of a usually pinnately divided leaf. Synonyms: pinna, pinnule. · · Noun Definition 1 (noun) the externally visible cartilaginous structure of the external ear. Synonyms: auricle, pinna, ear. · · Noun Definition 2 Synonyms · · · pinna · · Synonym 1 pinnule · · Synonym 2 auricle · · Synonym 3 ear · · Synonym 4 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070