1. that part of a room, hallway, or the like, that forms its lower enclosing surface and upon which one walks.
  2. a continuous, supporting surface extending horizontally throughout a building, having a number of rooms, apartments, or the like, and constituting one level or stage in the structure; story.
  3. a level, supporting surface in any structure: the elevator floor.
  4. one of two or more layers of material composing a floor: rough floor; finish floor.
  5. a platform or prepared level area for a particular use: a threshing floor.
  6. the bottom of any more or less hollow place: the floor of a tunnel.
  7. a more or less flat extent of surface: the floor of the ocean.
  8. the part of a legislative chamber, meeting room, etc., where the members sit, and from which they speak.
  9. the right of one member to speak from such a place in preference to other members: The senator from Alaska has the floor.
  10. the area of a floor, as in a factory or retail store, where items are actually made or sold, as opposed to offices, supply areas, etc.: There are only two salesclerks on the floor.
  11. the main part of a stock or commodity exchange or the like, as distinguished from the galleries, platform, etc.
  12. the bottom, base, or minimum charged, demanded, or paid: The government avoided establishing a price or wage floor.
  13. Mining. an underlying stratum, as of ore, usually flat.
  14. Nautical.
    1. the bottom of a hull.
    2. any of a number of deep, transverse framing members at the bottom of a steel or iron hull, generally interrupted by and joined to any vertical keel or keelsons.
    3. the lowermost member of a frame in a wooden vessel.

verb (used with object)

  1. to cover or furnish with a floor.
  2. to bring down to the floor or ground; knock down: He floored his opponent with one blow.
  3. to overwhelm; defeat.
  4. to confound or puzzle; nonplus: I was floored by the problem.
  5. Also floorboard. to push (a foot-operated accelerator pedal) all the way down to the floor of a vehicle, for maximum speed or power.
  1. mop/wipe the floor with, Informal. to overwhelm completely; defeat: He expected to mop the floor with his opponents.
  2. take the floor, to arise to address a meeting.


  1. Also called: flooring the inner lower surface of a room
  2. a storey of a buildingthe second floor
  3. a flat bottom surface in or on any structurethe floor of a lift; a dance floor
  4. the bottom surface of a tunnel, cave, river, sea, etc
  5. mining an underlying stratum
  6. nautical the bottom, or the lowermost framing members at the bottom, of a vessel
  7. that part of a legislative hall in which debate and other business is conducted
  8. the right to speak in a legislative or deliberative body (esp in the phrases get, have, or be given the floor)
  9. the room in a stock exchange where trading takes place
  10. the earth; ground
  11. a minimum price charged or paida wage floor
  12. take the floor to begin dancing on a dance floor


  1. to cover with or construct a floor
  2. (tr) to knock to the floor or ground
  3. (tr) informal to disconcert, confound, or defeatto be floored by a problem

Old English flor “floor, pavement, ground, bottom (of a lake, etc.),” from Proto-Germanic *floruz “floor” (cf. Middle Dutch and Dutch vloer, Old Norse flor “floor,” Middle High German vluor, German Flur “field, meadow”), from PIE *plaros “flat surface” (cf. Welsh llawr “ground”), enlarged from *pele- (2) “flat, to spread” (see plane (n.1)).

Meaning “level of a house” is from 1580s. The figurative sense in legislative assemblies (as opposed to the platform) is first recorded 1774. Spanish suelo “floor” is from Latin solum “bottom, ground, soil;” German Boden is cognate with English bottom. Floor plan attested from 1867.


early 15c., “to furnish with a floor,” from floor (n.). Sense of “puzzle, confound” is 1830, from notion of “knock down to the floor” (1640s). Related: Floored; flooring.

see ground floor; mop up the floor with; sink through the floor; take the floor; walk the floor.

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