main: Meaning and Definition of

main

1. chief in size, extent, or importance; principal; leading: the company's main office; the main features of a plan.
2. sheer; utmost, as strength or force:by main force. to lift a stone
3. of or pertaining to a broad expanse: main sea.
4. syntactically independent; capable of use in isolation. Cf.(def. 4),(def. 14),
5. main topmast stay.
1. of or pertaining to a mainmast.
2. noting or pertaining to a sail, yard, boom, etc., or to any rigging belonging to a mainmast.
3. noting any stay running aft and upward to the head of a mainmast:main topmast stay.
1. having or exerting great strength or force; mighty.
2. having momentous or important results; significant.

1. a principal pipe or duct in a system used to distribute water, gas, etc.
2. physical strength, power, or force: to struggle with might and main.
3. the chief or principal part or point: The main of their investments was lost during the war.
4. the open ocean; high sea: the bounding main.
5. the mainland.
6. for the most part; chiefly: In the main, the novel was dull reading.

1. . very; exceedingly: The dogs treed a main big coon.

1. mainline.

main

1. a cockfighting match.

Main

1. a river in central and W Germany, flowing W from the Bohemian Forest in N Bavaria into the Rhine at Mainz. 305 mi. (490 km) long.