Noah Webster's New International Dictionary of the English Language
1. (n.) The bottom or lower part of any room; the part upon which we stand and upon which the movables in the room are supported.
2. (n.) The structure formed of beams, girders, etc., with proper covering, which divides a building horizontally into stories. Floor in sense 1 is, then, the upper surface of floor in sense 2.
3. (n.) The surface, or the platform, of a structure on which we walk or travel; as, the floor of a bridge.
4. (n.) A story of a building. See Story.
5. (n.) The part of the house assigned to the members.
6. (n.) The right to speak.
7. (n.) That part of the bottom of a vessel on each side of the keelson which is most nearly horizontal.
8. (n.) The rock underlying a stratified or nearly horizontal deposit.
9. (n.) A horizontal, flat ore body.
10. (v. t.) To cover with a floor; to furnish with a floor; as, to floor a house with pine boards.
11. (v. t.) To strike down or lay level with the floor; to knock down; hence, to silence by a conclusive answer or retort; as, to floor an opponent.
12. (v. t.) To finish or make an end of; as, to floor a college examination.