✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

umbilical vein

noun

: a vein that passes through the umbilical cord to the fetus and returns the oxygenated and nutrient blood from the placenta to the fetus

Browse Nearby Words

Cite this Entry

“Umbilical vein.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/umbilical%20vein. Accessed 30 Nov. 2025.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!