cardinal vein cardinal tetra • cardinal virtue · · · Info · Definitions · Characters · · cardinal vein · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) any of the major venous channels in primitive adult vertebrates and in embryos of higher vertebrates. Synonyms: cardinal vein. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 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 r latin small letter r U+0072 v latin small letter v U+0076