Eutherian Definition

yo͝o-thîrē-ən
noun
Any of various mammals of the infraclass Eutheria, including all of the species, such as primates, carnivores, whales, ruminants, bats, and rodents, in which the female bears live young that are nourished before birth by means of a complex placenta.
American Heritage Medicine
A eutherian animal.
Wiktionary
Synonyms:
  • eutherian mammal
  • placental mammal
  • placental
adjective

Belonging or pertaining to the group Eutheria, comprising the mammals more closely related to animals like humans and rodents than to marsupials.

Wiktionary

Other Word Forms of Eutherian

Noun

Singular:
eutherian
Plural:
eutherians

Origin of Eutherian

  • From New Latin Euthēria infraclass name Greek eu- eu- Greek thēria pl. of thērion wild animal treacle

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Eutheria, from Ancient Greek εὖ (eu, “good, true") + θηρίον (thÄ“rion, “beast").

    From Wiktionary

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