[noun] [C] - (in particular societies) a woman, or one of a group of women, usually of lower social rank, who lives and has sex with a man she is not married to(dated humorous) A woman might be described as a particular man's concubine if she is living and having sex with him but they are not married.
CONCUBINE
Meaning of CONCUBINE in English
Cambridge English vocab. Кембриджский английский словарь. 2012