double date
From Longman Dictionary of Contemporary Englishdouble dateˌdouble ˈdate noun [countable] old-fashioned RELATIONSHIPan occasion when two couples meet to go to a film, restaurant etc together —double-date verb [intransitive, transitive]Examples from the Corpusdouble date• We went out one night on a double date and it turned out to be a fair evening for me.