The largest house on an estate or parcel of land.

plural of main house

plural of main drag

(historical) The dagger held in the left hand, while the rapier is held in the right; used to parry thrusts of the adversary's rapier.

plural of main course

A major road in a town or village, or in a country area. / (New England, UK) A major urban road, off which lead many smaller streets, many of them cul-de-sacs. / (South Africa) High Street; Main Street

Alternative spelling of mainmast

The pipe through which water from an engine is delivered to an elevated reservoir.

plural of main road

(fox hunting) A fox's primary lair.