Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

monotreme

play
noun mono·treme \ˈmä-nə-ˌtrēm\

Definition of monotreme

  1. :  any of an order (Monotremata) of egg-laying mammals comprising the platypuses and echidnas



Origin of monotreme

New Latin Monotremata, from Greek mon- + trēmat-, trēma hole — more at trematode


First Known Use: 1835


Medical Dictionary

monotreme

play
noun mono·treme \ˈmän-ə-ˌtrēm\

Medical Definition of monotreme

  1. :  any mammal (as a platypus) of the order Monotremata




Learn More about monotreme


Seen and Heard

What made you want to look up monotreme? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 12, 2016

of, relating to, or suggestive of marble

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

2.2 pounds 100 pounds 16.96 pounds 196.5 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ