the bottom or lower part of any room; the part upon which we stand and upon which the movables in the room are supported.-the structure formed of beams, girders, etc., with proper covering, which divides a building horizontally into stories. floor in sense 1 is, then, the upper surface of floor in sense 2.-the surface, or the platform, of a structure on which we walk or travel; as, the floor of a bridge.-a story of a building. see story.-the part of the house assigned to the members.-the right to speak.-that part of the bottom of a vessel on each side of the keelson which is most nearly horizontal.-the rock underlying a stratified or nearly horizontal deposit.-a horizontal, flat ore body.-to cover with a floor; to furnish with a floor; as, to floor a house with pine boards.-to strike down or lay level with the floor; to knock down; hence, to silence by a conclusive answer or retort; as, to floor an opponent.-to finish or make an end of; as, to floor a college examination.