concubine
Word family nounconcubinageconcubitancyconcubineconcubitantadjectiveconcubinary
con·cu·bine /ˈkɒŋkjəbaɪn $ ˈkɑːŋ-/ noun [countableC] SYSEX/HAVE SEX WITHa woman in the past who lived with and had sex with a man who already had a wife or wives, but who was socially less important than the wives 〔旧时的〕妾,姨太太,小老婆 Origin concubine (1200-1300) Old French Latin concubina, from com- ( → COM-) + cubare “to lie”