Definition of floor:
the inside lower horizontal surface (as of a room, hallway, tent, or other structure); "they needed rugs to cover the bare floors"; "we spread our sleeping bags on the dry floor of the tent"
a structure consisting of a room or set of rooms at a single position along a vertical scale; "what level is the office on?"
a lower limit; "the government established a wage floor"
the ground on which people and animals move about; "the fire spared the forest floor"
the bottom surface of any lake or other body of water
the lower inside surface of any hollow structure; "the floor of the pelvis"; "the floor of the cave"
the occupants of a floor; "the whole floor complained about the lack of heat"
the parliamentary right to address an assembly; "the chairman granted him the floor"
the legislative hall where members debate and vote and conduct other business; "there was a motion from the floor"
a large room in a exchange where the trading is done; "he is a floor trader"
surprise greatly; knock someone's socks off; "I was floored when I heard that I was promoted"
knock down with force; "He decked his opponent"