ménage à trois

[ mey-nahzh ah trwah; French mey-nazh a trwah ]
/ meɪˈnɑʒ ɑ ˈtrwɑ; French meɪ naʒ a ˈtrwɑ /

noun

a domestic arrangement in which three people having sexual relations occupy the same household.

Origin of ménage à trois

< French: household of three

British Dictionary definitions for menage a trois

ménage à trois
/ French (menaʒ a trwɑ) /

noun plural ménages à trois (menaʒ a trwɑ)

a sexual arrangement involving a married couple and the lover of one of them

Word Origin for ménage à trois

literally: household of three