1. Adjective
One more than three; twice two.
2. Noun
The sum of four units; four units or objects.
3. Noun
A symbol representing four units, as 4 or iv.
4. Noun
Four things of the same kind, esp. four horses; as, a chariot and four.
5. Noun
the cardinal number that is the sum of three and one
Vocabulary classified under Mathematics
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