adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An animal of the group Eutheria.
2. 2
   mammals having a placenta; all mammals except monotremes and marsupials wordnet

Adjective

1. 1
   Belonging or pertaining to the group Eutheria, comprising the mammals more closely related to animals like humans and rodents than to marsupials. not-comparable

Adjective

1. 1
   of or relating to or belonging to the subclass Eutheria wordnet

Synonyms

All synonyms

eutherian mammalplacentalplacentalplacental mammal

Etymology

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

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.