Meaning

2 senses
  1. A household or relationship whereby four people live together as lovers.

  2. A sexual act involving four people; a foursome.

Origin

From ménage à trois (“household whereby three people live as lovers; sexual act involving

From ménage à trois (“household whereby three people live as lovers; sexual act involving three people”), from French ménage à trois. The number trois (“three”) is replaced by quatre (“four”).

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: ménage à quatres

See also

neighbours in the dictionary
ménage à quatre — meaning, examples, forms, synonyms | Krumeto