Being the sum of two and one; being one more than two: a cardinal numeral.The writings so condemned. The edict was intended to reconcile the Monophysites to the church by seeming to imply a partial disapproval of the Council of Chalcedon, which had admitted Theodoret and Ibas, after giving explanations, to communion.n. A number the sum of two and one.n. A symbol representing three units, as 3, III, or iii.n. A playing-card bearing three spots or pips.