rhesus monkey

noun

1. a macaque monkey, Macaca mulatta , of S Asia: used extensively in medical research

rhesus monkey

/ rē′səs /

1. A small, yellowish-brown monkey ( Macaca mulatta ) of India, widely used in biological and medical research. The Rh (Rhesus) factor was first discovered in rhesus monkeys.

Word History and Origins

Origin of rhesus monkey¹

C19: New Latin, arbitrarily from Greek Rhesos Rhesus

Example Sentences

It is doubtful whether it is more than a variety of the Rhesus Monkey (M. rhesus).

From Project Gutenberg

A hamster, for example, cannot choose to behave in the manner of a rhesus monkey.

From Project Gutenberg