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

rhesus monkey

play
noun rhe·sus monkey \ˈrē-səs-\

Simple Definition of rhesus monkey

  • : a small monkey that is often used in medical research

Full Definition of rhesus monkey

  1. :  a pale brown Asian macaque (Macaca mulatta) often used in medical research —called also rhesus, rhesus macaque

Origin of rhesus monkey

New Latin Rhesus, genus of monkeys, from Latin, a mythical king of Thrace, from Greek Rhēsos


First Known Use: 1841


Medical Dictionary

rhesus monkey

noun rhe·sus monkey

Medical Definition of rhesus monkey

  1. :  a pale brown Asian monkey of the genus Macaca (M. mulatta) often used in medical research




Learn More about rhesus monkey


Seen and Heard

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

WORD OF THE DAY

February 8, 2016

to clear from accusation or blame

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift kittly-benders duvet pince-nez
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