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Added 9 October 2026

eutherian

noun

noun Definition from WordNet 3.1, Princeton University. More about eutherian at Wordnik → Where our words come from →

Mammals having a placenta; all mammals except monotremes and marsupials.

adjective

Of or relating to or belonging to the subclass Eutheria.
eutherian mammals

Origin

From Eutheria, from Ancient Greek εὖ (eû, “good, true”) + θηρίον (thēríon, “beast”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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