FLOOR

I. noun Usage: often attributive Etymology: Middle English flor, from Old English flōr; akin to Old High German fluor meadow, Latin planus level, and perhaps to Greek planasthai to wander Date: before 12th century the level base of a room, 2. the lower inside surface of a hollow structure (as a cave or bodily part), a ground surface , 3. a structure dividing a building into stories, the occupants of such a ~, the surface of a structure on which one travels , 5. a main level space (as in a stock exchange or legislative chamber) distinguished from a platform or gallery, the specially prepared or marked area on which indoor sports events take place, the members of an assembly , the right to address an assembly , a lower limit ; base , ~ed adjective II. transitive verb Date: 15th century to cover with a ~ or ~ing, 2. to knock or bring down, flabbergast , dumbfound , to press (the accelerator of a vehicle) to the ~board, ~er noun