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.