Four \Four\ (f[=o]r), a. [OE. four, fower, feower, AS. fe['o]wer; akin to OS. fiwar, D. & G. vier, OHG. fior, Icel. fj[=o]rir, Sw. fyra, Dan. fire, Goth. fidw[=o]r, Russ. chetuire, chetvero, W. pedwar, L. quatuor, Gr. te`ttares, te`ssares, pi`syres, Skr. catur. [root]302. Cf. Farthing, Firkin, Forty, Cater four, Quater-cousin, Quatuor, Quire of paper, tetrarch.]

One more than three; twice two. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

Four \Four\, n.

1. The sum of four units; four units or objects. [1913 Webster]

2. A symbol representing four units, as 4 or iv. [1913 Webster]

3. Four things of the same kind, esp. four horses; as, a chariot and four. [1913 Webster]

All fours. See All fours, in the Vocabulary. Fourb

Source: The Collaborative International Dictionary of English v.0.48
 

four adj : being one more than three [syn: 4, iv]

noun

the cardinal number that is the sum of three and one [syn: 4, IV, tetrad, quatern, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joe]

Source: WordNet (r) 2.0
 

Four \Four\, n.

1. The sum of four units; four units or objects.

2. A symbol representing four units, as 4 or iv.

3. Four things of the same kind, esp. four horses; as, a chariot and four.

All fours. See All fours, in the Vocabulary.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Four \Four\, a. [OE. four, fower, feower, AS. fe['o]wer; akin to OS. fiwar, D. & G. vier, OHG. fior, Icel. fj?rir, Sw. fyra, Dan. fire, Goth. fidw?r, Russ. chetuire, chetvero, W. pedwar, L. quatuor, Gr. ?, ?, ?, Skr. catur. ? 302. Cf. Farthing, Firkin, Forty, Cater four, Quater-cousin, Quatuor, Quire of paper, tetrarch.]

One more than three; twice two.

Source: Webster's Revised Unabridged Dictionary (1913)