Main entry: triad, trio, triple, triplet
Definition: a set of three similar things considered as a unit
Main entry: triplet
Definition: one of three offspring born at the same time from the same pregnancy
Main entry: deuce-ace, 3, trey, triad, trine, trinity, trio, triplet, troika, tercet, ternary, ternion, terzetto, three, threesome, tierce, III, leash
Definition: the cardinal number that is the sum of one and one and one