† trigonyObs.rare—1.|ˈtrɪgənɪ| [ad.Gr. τριγονία third generation, f. τρι- tri- + γόν-ος, γονή offspring, family, generation.] Threefold generation or production. 1660Howell Parly Beasts 140 Man is that great Amphybium in whom lye Three distinct Souls by way of trigony.