umbilical vein umbilically • umbilical vesicle · · · Info · Definitions · Synonyms · Characters · · umbilical vein · · Text Common · · Latin · · Scripts 14 · · Length 6 · · Syllables Definitions · · · (noun) a vein in the umbilical cord; returns nutrient blood from the placenta to the fetus. Synonyms: umbilical vein, vena umbilicalis. · · Noun Definition 1 Synonyms · · · vena umbilicalis · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 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 m latin small letter m U+006D n latin small letter n U+006E u latin small letter u U+0075 v latin small letter v U+0076