WordReference Random House Learner's Dictionary of American English © 2026
floor /flɔr/USA pronunciation   n. [countable]
  1. the part of a room that forms its lower surface and upon which one walks:The floor had a soft rug on it.
  2. a continuous level surface extending horizontally throughout a building and making up one level or stage in the structure;
    story:Our apartment is on the fifth floor.
  3. the lower or bottom surface:the ocean floor.
  4. Governmentthe part of a legislative chamber, meeting room, etc., where the members sit, and from which they speak:on the Senate floor.
  5. Government the right of a member to speak at a meeting:[singular;the + ~]The senator from Alaska has the floor.
  6. the area of a stock or commodity exchange, retail store, etc., where buying and selling or other business is conducted:bought the sample off the showroom floor.
  7. a base or minimum level:The government established price and wage floors.

v. [~ + object]
  1. to cover or furnish with a floor.
  2. to knock down;
    flatten:floored the bully with one punch.
  3. to surprise and confuse;
    overwhelm:I was floored by their generosity.
  4. Automotiveto push (the accelerator pedal) down to the floor of a vehicle, for maximum speed or power.
Idioms
  1. mop or wipe the floor with, [ mop/wipe + the + ~ + with + obj][Informal.]to overwhelm completely;
    defeat:The team mopped the floor with their opponents.
  2. Idioms take the floor, to arise to address a meeting:The senator from Alaska took the floor.


WordReference Random House Unabridged Dictionary of American English © 2026
floor  (flôr, flōr),USA pronunciation n. 
  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. Governmentthe part of a legislative chamber, meeting room, etc., where the members sit, and from which they speak.
  9. Governmentthe 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. Miningan underlying stratum, as of ore, usually flat.
  14. [Naut.]
    • Naval Termsthe bottom of a hull.
    • Naval Termsany 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.
    • Naval Termsthe lowermost member of a frame in a wooden vessel.
  15. mop or wipe the floor with, [Informal.]to overwhelm completely;
    defeat:He expected to mop the floor with his opponents.
  16. Idioms take the floor, to arise to address a meeting.

v.t. 
  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. AutomotiveAlso, floorboard. to push (a foot-operated accelerator pedal) all the way down to the floor of a vehicle, for maximum speed or power.
  • bef. 900; Middle English flor, Old English flōr; cognate with Old Norse flōr, Middle Low German vlōr, Middle High German vluor (German Flur)
floor′less, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
floor /flɔː/ n
  1. Also called: flooring the inner lower surface of a room
  2. a storey of a building: the second floor
  3. a flat bottom surface in or on any structure: the floor of a lift, a dance floor
  4. the bottom surface of a tunnel, cave, river, sea, etc
  5. that part of a legislative hall in which debate and other business is conducted
  6. the right to speak in a legislative or deliberative body (esp in the phrases get, have, or be given the floor)
  7. the earth; ground
  8. a minimum price charged or paid
  9. take the floor ⇒ to begin dancing on a dance floor
 vb
  1. to cover with or construct a floor
  2. (transitive) to knock to the floor or ground
  3. (transitive) informal to disconcert, confound, or defeat: to be floored by a problem
Etymology: Old English flōr; related to Old Norse flōrr, Middle Low German vlōr floor, Latin plānus level, Greek planan to cause to wander
'floors' also found in these entries (note: many are not synonyms or translations):
carpet - cofferdam - dry riser - dumbwaiter - duplex apartment - dustpan - entresol - escalator - fill - hearthstone - joist - maisonette - mop - second floor - swab - vacuum cleaner - well - bilge - black oak - box frame - casing nail - deck - decker - deep floor - downstairs - drop cloth - dust mop - floorcloth - floorer - flooring - keel - loft building - low-rise - marine geology - matchboard - panelized - parquetry - plate - roof rat - ryokan - tessellate - tile - triplex - two-family house - two-tier - unvarnished - wall - wet mop - Yang-shao - shabby

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