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