definition of
[four]

[1] #1 four s. [4, iv] being one more than three. wn

[2] #2 four n. [4, IV, tetrad, quatern, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joe] the cardinal number that is the sum of three and one. wn

[3] #3 four n. [four-spot] a playing card or domino or die whose upward face shows four pips. wn