plural of three-way

(attributive) Relating to three different directions.

Sexual activity involving three persons; a threesome; a ménage à trois. / (Cincinnati) A serving of Cincinnati chili with spaghetti and cheese.

(US, electricity) A type of light switch that can be arranged in pairs to control lights from two locations, as at either end of a stairway or long hallway; a double-throw switch. (Britain): two-way switch.

plural of three-way switch

plural of three-way girl

A female prostitute who offers oral, vaginal, and anal sex.