Noun

1. The inside lower horizontal surface (as of a room, hallway, tent, or other structure)
2. A structure consisting of a room or set of rooms at a single position along a vertical scale
3. A lower limit
4. The ground on which people and animals move about
5. The bottom surface of any lake or other body of water
6. The lower inside surface of any hollow structure
7. The occupants of a floor
8. The parliamentary right to address an assembly
9. The legislative hall where members debate and vote and conduct other business
10. A large room in a exchange where the trading is done

Verb

1. Surprise greatly; knock someone's socks off
2. Knock down with force