• 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.