'3' definitions:

Definition of '3'

From: WordNet
adjective
Being one more than two [syn: three, 3, iii]
noun
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]