The largest house on an estate or parcel of land.

(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 building

plural of main drag

plural of main-deck

The American lobster, Homarus americanus.

plural of Maine lobster

plural of main memory

The most important factor; the principle consideration.

plural of main course