English

Definition of troilism noun from the Oxford Advanced Learner's Dictionary

 

troilism

 noun
noun
BrE BrE//ˈtrɔɪlɪzəm//
 
; NAmE NAmE//ˈtrɔɪlɪzəm//
 
[uncountable]
 
jump to other results
sexual activity involving three people Word Origin 1950s: perhaps based on French trois ‘three’.