three-way noun 3adjective 1forms 1 noun3 •(informal) Sexual activity involving three individuals.A guy Julian and you had a three-way with millions of years ago. I used to watch you guys screw through the keyhole sometimes. — 1992 •A serving of Cincinnati chili with spaghetti and cheese. •Synonym of three-card monte. adjective[before a noun]1 •Relating to three different directions. formsthree-ways
