- main
- main [mān]n.[ME < OE mægen, akin to ON magn: see MIGHT2]1. physical strength; force; power: now only in with might and main, with all one's strength, with all one's strength2. [< MAIN the adj.] the principal or most important part or point: usually in the phrase in the main, mostly, chiefly3. a principal pipe, conduit, or line in a distribution system for water, gas, electricity, etc.4. Old Poet. the high, or open, sea; ocean5. Archaic the mainland: see SPANISH MAIN6. Obs. any broad expanse7. Naut. short for:Naut. short fora) MAINMASTb) MAINSAILadj.[ME mayn < OE mægen- (in comp.) & ON meginn, strong]1. Obs. strong; powerful2. chief in size, extent, importance, etc.; principal; leading; specif., designating a large central unit on which subsidiaries or branches depend [the main post office]3. of, near, or connected with the mainmast or mainsail4. [Brit. Dial.] remarkable; considerable5. Obs. designating a broad expanse of land, sea, or spaceSYN.- CHIEF——————by main force or by main strengthby sheer force (or strength)
English World dictionary. V. Neufeldt. 2014.