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rare a group of three
[C16: from Latin terniō triad, from ternī three each; related to ter thrice]
Terniona company of three; a triad or set of three.
Examples: ternion of angel hierarchies, 1652; of triumvirs, 1600; happy ternion of brothers, 1661.
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|Noun||1.||ternion - the cardinal number that is the sum of one and one and one|
3, deuce-ace, III, tercet, ternary, terzetto, three, threesome, trey, triad, trine, trinity, trio, triplet, troika, tierce, leash