As a verb cohabit
is to reside with another as if married or as a married couple.
As a noun cohabitator is
one who cohabits.
cohabit
English
Verb
(
en verb)
To reside with another as if married or as a married couple.
To coexist in common environs with.
(archaic) To engage in sexual intercourse; see coition.
Synonyms
* cohabitate
Related terms
* cohabitation