- a cardinal number, 2 plus 1.
- a symbol for this number, as 3 or III.
- a set of this many persons or things.
- a playing card, die face, or half of a domino face with three pips.
- amounting to three in number.
- the cardinal number that is the sum of two and one and is a prime number
- a numeral, 3, III, (iii), representing this number
- the amount or quantity that is one greater than two
- something representing, represented by, or consisting of three units such as a playing card with three symbols on it
- three hours after noon or midnight
- amounting to three
- (as pronoun)
