Cohabitation

[kəʊ,hæbɪ'teɪʃən] or [ko,hæbə'teʃən]

(noun.) the act of living together and having a sexual relationship (especially without being married).

Checked by Jacques--From WordNet

(n.) The act or state of dwelling together, or in the same place with another.

(n.) The living together of a man and woman in supposed sexual relationship.

Edited by Christine

Checked by Herman