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Definition of Three-way
1. Adjective. Involving three parties or elements. "A three-way playoff" 
Definition of Three-way
1. Noun. Sexual activity involving three persons; a threesome; a menage à trois. ¹
¹ Source: wiktionary.com
|  | 
1. Adjective. Involving three parties or elements. "A three-way playoff" 
1. Noun. Sexual activity involving three persons; a threesome; a menage à trois. ¹
¹ Source: wiktionary.com