Dictionary.com

prototherian

[ proh-tuh-theer-ee-uhn ]
/ ˌproʊ təˈθɪər i ən /
Save This Word!

adjective
belonging or pertaining to the group Prototheria, comprising the monotremes.
noun
a prototherian animal.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of prototherian

1880–85; <New Latin Prototheri(a) (<Greek prōto-proto- + thēría, plural of thēríon beast) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use prototherian in a sentence

British Dictionary definitions for prototherian

prototherian
/ (ˌprəʊtəʊˈθɪərɪən) /

adjective
of, relating to, or belonging to the Prototheria, a subclass of mammals that includes the monotremes
noun
any prototherian mammal; a monotreme

Word Origin for prototherian

C19: New Latin, from proto- + Greek theria wild animals
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK