n. That part of a room or of an edifice which forms its lower inclosing surface, and upon which one walks; specifically, the structure, consisting in modern houses of boards, planks, pavement, asphalt, etc., which forms such a surface.n. Any similar construction, platform, or leveled area: as, the floor of a bridge; the charge-floor of a blast-furnace; a threshing-floor.n. A natural surface corresponding to a floor in character or use; a circumscribed basal space or area of any kind: as, the floor of a gorge or a cave; the floor of one of the ventricles of the brain.n. One complete section of a building having one continuous or approximately continuous floor; a story: as, an office on the first floor.n. Nautical, that part of the bottom of a vessel on each side of the keelson which is most nearly horizontal.n. In legislative assemblies, the part of the house assigned to the members, and from which they speak; hence, figuratively, the right of speaking or right to be heard in preference to other members: as, the gentleman from New York has the floor.n. In mining, a flat mass of ore.n. A plane; a surface.n. In brewing, same as piece.To cover or furnish with a floor: as, to floor a house with pine boards.To place upon a floor; base.To place near or on the floor, as a picture in an exhibition.To strike down or lay level with the floor; beat; conquer; figuratively, to put to silence by some decisive argument, retort, etc.; overcome in any way; overthrow: as, to floor an assailant.To go through; make an end of; finish.n. In wood ship-building, same as floor-timber.n. In iron ship-building, the bottom part of a frame, consisting of the floor-plate, frame-bar, and the reverse frame-bar.n. A unit formerly used in the measurement of excavation and embankment.