Definition of Main

Main

1. A hand or match at dice.
2. A stake played for at dice.
3. The largest throw in a match at dice; a throw at dice within given limits, as in the game of hazard.
4. A match at cockfighting.
5. A main-hamper.
6. Strength; force; might; violent effort.
7. The chief or principal part; the main or most important thing.
8. The great sea, as distinguished from an arm, bay, etc. ; the high sea; the ocean.
9. The continent, as distinguished from an island; the mainland.
10. principal duct or pipe, as distinguished from lesser ones; esp. (Engin.), a principal pipe leading to or from a reservoir; as, a fire main.
11. Very or extremely strong.
12. Vast; huge.
13. Unqualified; absolute; entire; sheer.
14. Principal; chief; first in size, rank, importance, etc.
15. Important; necessary.
16. Very; extremely; as, main heavy.