ménage

noun3

1. •
   A household; a domestic situation.

   • It smelled of ether and something else, possibly laudanum. I had never tried the mixture but it seemed to go pretty well with the Geiger ménage. — 1939
2. •
   A group of people in a sexual relationship; especially, such a group that live together; the relationship itself.
3. •
   (Scotland) A type of cooperative society whereby all members pay a regular sum of savings, or through which goods can be paid for in installments.