To live together in a sexual relationship, especially when not legally married.
To coexist, as animals of different species.
[Late Latin cohabitāre : Latin co-, co- + Latin habitāre, to dwell; see inhabit.] co·hab'i·tant, co·hab'it·er n., co·hab'i·ta'tion n., co·hab'i·ta'tion·al adj.
(kō-hāb'ĭt) 