Meaning of FOUR in English
adj one more than three; twice two.
2. four ·noun a symbol representing four units, as 4 or iv.
3. four ·noun the sum of four units; four units or objects.
4. four ·noun four things of the same kind, ·esp. four horses; as, a chariot and four.
Webster English vocab. Английский словарь Webster. 2012