ménage à troismé·nage à trois /ˌmeɪnɑːʒ ɑː ˈtrwɑː $ məˌnɑːʒ-/ noun [singular] 
a sexual relationship involving three people who live together
a sexual relationship involving three people who live together- highfalutin
- high fidelity
- high five
- high-flier
- high-flown
- high-flying
- Highgate
- high-grade
- Highgrove House
- high-handed
- high-handedly
- high-handedness
- high heels
- high jinks
- high jump
- high jumper
- Highland
- highland
- Highland dress
- Highlander
- Highland fling
- Highland Games
- Highlands
- highlands
- Highlands and Islands