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