ménage à trois

noun mé·nage à trois \-ä-ˈt(r)wä\

: an arrangement in which three people have sex with each other especially while living together

Full Definition of MÉNAGE À TROIS

: an arrangement in which three persons (as a married pair and the lover of one of the pair) share sexual relations especially while living together

See ménage à trois defined for English-language learners

French, literally, household for three

First Known Use: 1856

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