Concubinage
[kɒn'kju:binidʒ]
Definition
(n.) The cohabiting of a man and a woman who are not legally married; the state of being a concubine.
(n.) A plea, in which it is alleged that the woman suing for dower was not lawfully married to the man in whose lands she seeks to be endowed, but that she was his concubine.
Edited by Andrea