thoracic aorta thoracic actinomycosis • thoracic cavity · · · Info · Definitions · Characters · · thoracic aorta · · Text Common · · Latin · · Scripts 14 · · Length 6 · · Syllables Definitions · · · (noun) a branch of the descending aorta; divides into the iliac arteries. Synonyms: thoracic aorta. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074