Pronunciation: (mān),[key] —adj. 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: to lift a stoneby main force. 3. of or pertaining to a broad expanse: main sea. 4. Gram.syntactically independent; capable of use in isolation. Cf. dependent (def. 4), independent (def. 14), main clause. 5. Naut. a. of or pertaining to a mainmast.
b. noting or pertaining to a sail, yard, boom, etc., or to any rigging belonging to a mainmast.
c. noting any stay running aft and upward to the head of a mainmast: main topmast stay. 6. Obs. a. having or exerting great strength or force; mighty.
b. having momentous or important results; significant.
—n. 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. Literary.the open ocean; high sea: the bounding main. 5. the mainland.
6. in the main, for the most part; chiefly: In the main, the novel was dull reading.
—adv. South Midland U.S.(chiefly Appalachian). very; exceedingly: The dogs treed a main big coon.
—v.i., v.t. Slang.mainline.
Pronunciation: (mān),[key] —n. a cockfighting match.
Pronunciation: (mān; Ger. mīn),[key] —n. 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.