Breadcrumb Home > Thesaurus > E Synonyms of eutherian Find synonyms for: Noun 1. placental, placental mammal, eutherian, eutherian mammal, mammal, mammalian usage: mammals having a placenta; all mammals except monotremes and marsupials Adjective 1. eutherian usage: of or relating to or belonging to the subclass Eutheria; "eutherian mammals" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of eutherian (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: rosarium Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language