rhesus monkey
(亦作rhesus macaque)
noun
1- a small brown macaque with red skin on the face and rump, native to southern Asia. It is often kept in captivity and is widely used in medical research.猕猴, 恒河猴, 罗猴（产于南亚, 常圈养, 广泛用于医学研究）。
1.1
- Macaca mulatta, family Cercopithecidae.拉丁名Macaca mulatta,猴科。
词源
early 19th cent.: modern Latin rhesus, arbitrary use of Latin Rhesus （from Greek Rhēsos, the name of a mythical king of Thrace）.