rhesus monkey rhesus factor • rhetor · · · Info · Definitions · Synonyms · Characters · · rhesus monkey · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) of southern Asia; used in medical research. Synonyms: rhesus, rhesus monkey, Macaca mulatta. · · Noun Definition 1 Synonyms · · · rhesus · · Synonym 1 macaca mulatta · · Synonym 2 Characters · · space U+0020 e latin small letter e U+0065 h latin small letter h U+0068 k latin small letter k U+006B m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075 y latin small letter y U+0079