superior vena cava superior thyroid vein • superior vocal cord · · · Info · Definitions · Synonyms · Characters · · superior vena cava · · Text Common · · Latin · · Scripts 18 · · Length 7 · · Syllables Definitions · · · (noun) receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins. Synonyms: superior vena cava, precava. · · Noun Definition 1 Synonyms · · · precava · · Synonym 1 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 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075 v latin small letter v U+0076