The interior bottom or surface of a house or building; the supporting surface of a room. • The bottom surface of a natural structure, entity, or space (e.g. cave, forest, ocean, desert, etc.); the ground (surface of the Earth). • The ground. • A structure formed of beams, girders, etc, with proper covering, which divides a building horizontally into storeys/stories. • The supporting surface or platform of a structure such as a bridge. • A storey/story of a building. • In a parliament, the part of the house assigned to the members, as opposed to the viewing gallery. • The right to speak at a given time during a debate or other public event. • That part of the bottom of a vessel on each side of the keelson which is most nearly horizontal. • A horizontal, flat ore body; the rock underlying a stratified or nearly horizontal deposit. • The bottom of a pit, pothole or mine. • The largest integer less than or equal to a given number. • An event performed on a floor-like carpeted surface; floor exercise • A floor-like carpeted surface for performing gymnastic movements. • A lower limit or minimum on a price or rate, a price floor. Opposite of a cap or ceiling. • A dance floor. • The trading floor of a stock exchange, pit; the area in which business is conducted at a convention or exhibition. • The area of a casino where gambling occurs. • The area of an establishment where food and drink are served to customers.