four /ˈfor, ˈfɔr/
  四,4個
  four
  44 型增音機
  four
  四帶排序
  four
  四
  Four a.  One more than three; twice two.
  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.
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  four
       adj : being one more than three [syn: 4, iv]
       n : the cardinal number that is the sum of three and one [syn: 4,
            IV, tetrad, quatern, quaternion, quaternary, quaternity,
            quartet, quadruplet, foursome, Little Joe]