TRIUNE Meaning of TRIUNE in English /truy"yoohn/ , adj.1. three in one; constituting a trinity in unity, as the Godhead. n.2. ( cap. ) the Trinity. [ 1595-1605; TRI- + -une unus one ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012