Definition of: floor

(flôr, flōr) noun
1. The surface in a room or building upon which one walks.
2. The space between two adjacent levels of a building; a story.
3. Any natural area made smooth or level, corresponding in character or use to a floor; also, the surface of something built, as a bridge.
4. In any parliamentary body, the part of the hall occupied by its members; hence, the right or privilege to address the house during a given time and to the exclusion of other speakers.
5. The main business hall of an exchange.
6. Naut. The vertical plates between the inner and outer bottoms of a ship extending from one side (bilge) to the other.
7. The bottom limit of anything; specifically, the lowest price charged for a given thing.
—v.t.
1. To cover or provide with a floor.
2. To throw or knock down; overthrow.
3. Colloq. To silence; defeat.
4. Colloq. To baffle; confound. [OE flōr]
—floor′er noun