atrial auricle atrial artery • atrial fibrillation · · · Info · Definitions · Synonyms · Characters · · atrial auricle · · Text Common · · Latin · · Scripts 14 · · Length 6 · · Syllables Definitions · · · (noun) a small conical pouch projecting from the upper anterior part of each atrium of the heart. Synonyms: auricle, atrial auricle, auricula atrii. · · Noun Definition 1 Synonyms · · · auricle · · Synonym 1 auricula atrii · · Synonym 2 Characters · · space U+0020 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 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075