three

(noun) the cardinal number that is the sum of one and one and one. Synonyms: 3, III, trio, threesome, tierce, leash, troika, triad, trine, trinity, ternary, ternion, triplet, tercet, terzetto, trey, deuce-ace.

(noun) one of four playing cards in a deck having three pips. Synonyms: trey.

(adj) being one more than two. Synonyms: 3, iii.