That part of a building or room on which we walk; the bottom or lower part, consisting, in modern houses, of boards, plands or pavement; as the floor of a house, room, bar, stable or outhouse.

A platform of boards or plans laid on timbers, as in a bridge; any similar platform.

A story in a building; as the first or second floor.

A floor or earthen floor is still used in some kinds of business, made of loam, or of lime, sand and iron dust, as in malting.

The bottom of a ship, or that part which is nearly horizontal.

To lay a floor; to cover timbers with a floor; to furnish with a floor; as, to floor a house with pine boards.