rhesus monkey


rhe·sus monkey

noun \ˈrē-səs-\

: a small monkey that is often used in medical research

Full Definition of RHESUS MONKEY

:  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

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