What is Mained?

Mained definition and meaning on Dictionary terms:
chief in size, extent, or importance; principal; leading: the company’s main office; the main features of a plan.
sheer; utmost, as strength or force: to lift a stone by main force.
of or relating to a broad expanse: main sea.

Grammar. syntactically independent; capable of use in isolation.Compare dependent(def 4), independent(def 14), main clause.
Nautical. of or relating to a mainmast. noting or pertaining to a sail, yard, boom, etc., or to any rigging belonging to a mainmast. noting any stay running aft and upward to the head of a mainmast: main topmast stay.

Obsolete. having or exerting great strength or force; mighty. having momentous or important results; significant.

a principal pipe or duct in a system used to distribute water, gas, etc.
physical strength, power, or force: to struggle with might and main.

the chief or principal part or point: The main of their investments was lost during the war.
Literary. the open ocean; high sea: the bounding main.
the mainland.
Usually mains. a main course in a meal: The restaurant offers four mains: one chicken, two beef, and one fish.

South Midland U.S. (chiefly Appalachian ). very; exceedingly: The dogs treed a main big coon.

verb (used with or without object)
Slang. mainline.