Eutheria

noun plural
Eu·​the·​ria | \ yu̇-ˈthir-ē-ə How to pronounce Eutheria (audio) \

Medical Definition of Eutheria

: a major division of mammals characterized by the attachment of the developing fetus to the maternal uterus by a placenta and including all mammals living at the present time except the marsupials

Other Words from Eutheria

eutherian \ -​ē-​ən How to pronounce Eutheria (audio) \ adjective or noun

Learn More about Eutheria

Cite this Entry

“Eutheria.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Eutheria. Accessed 5 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on Eutheria

What made you want to look up Eutheria? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Who Knew?

Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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