/ kəʊˈhæbɪt; NAmE koʊ-/ verb
[ v ] cohabit (with sb) ( formal ) ( usually of a man and a woman ) to live together and have a sexual relationship without being married
► co·hab·it·ation / ˌkəʊˌhæbɪˈteɪʃn; NAmE ˌkoʊ-/ noun [ U ] ( figurative )
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WORD ORIGIN
mid 16th cent.: from Latin cohabitare , from co- together + habitare dwell.