Triad - Definition
triad
n 1: the cardinal number that is the sum of one and one and one
[syn: three, 3, III, trio, threesome, tierce,
leash, troika, triad, trine, trinity, ternary,
ternion, triplet, tercet, terzetto, trey, deuce-
ace]
2: a set of three similar things considered as a unit [syn:
trio, triad, triplet, triple]
3: three people considered as a unit [syn: trio, threesome,
triad, trinity]
4: a three-note major or minor chord; a note and its third and
fifth tones [syn: common chord, triad]