Con-cu'bi-nage, n.
n. [Fr.] 1. The cohabiting of a man and a woman who are not legally married; the state of being a concubine.
☞ In some countries, concubinage is marriage of an inferior kind, or performed with less solemnity than a true or formal marriage; or marriage with a woman of inferior condition, to whom the husband does not convey his rank or quality. Bouvier.
Sense 2. (Law.) An exception against her that sueth for dower; in which it is alleged that she was not lawfully married to the man in whose lands she seeks to be endowed, but that she was his concubine. Cowell.