rhesus mon ‧ key /ˈriːsəs ˌmʌŋki/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Origin: Rhesus in ancient Greek stories, a king of Thrace ]
a small monkey from northern India that is often used in medical tests
rhesus mon ‧ key /ˈriːsəs ˌmʌŋki/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Origin: Rhesus in ancient Greek stories, a king of Thrace ]
a small monkey from northern India that is often used in medical tests
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012