1. n. The interior bottom or surface of a house or building; the supporting surface of a room.
The room has a wooden floor.
2. n. Ground (surface of the Earth, as opposed to the sky or water or underground).
3. n. The lower inside surface of a hollow space.
Many sunken ships rest on the ocean floor.
The floor of a cave served the refugees as a home.
The pit floor showed where a ring of post holes had been.
4. n. A structure formed of beams, girders, etc, with proper covering, which divides a building horizontally into storeys/stories.
5. n. The supporting surface or platform of a structure such as a bridge.
Wooden planks of the old bridge's floor were nearly rotten.
6. n. A storey/story of a building.
For years we lived on the third floor.
7. n. In a parliament, the part of the house assigned to the members, as opposed to the viewing gallery.
8. n. Hence, the right to speak at a given time during a debate or other public event.
Will the senator from Arizona yield the floor?
The mayor often gives a lobbyist the floor.
9. n. (nautical) That part of the bottom of a vessel on each side of the keelson which is most nearly horizontal.
10. n. (mining) The rock underlying a stratified or nearly horizontal deposit.
11. n. (mining) A horizontal, flat ore body.
12. n. (mathematics) The largest integer less than or equal to a given number.
The floor of 4.5 is 4.
13. n. (gymnastics) An event performed on a floor-like carpeted surface.
14. n. (gymnastics) A floor-like carpeted surface for performing gymnastic movements.
15. n. (finance) A lower limit on the interest rate payable on an otherwise variable-rate loan, used by lenders to defend against falls in interest rates. Opposite of a cap.
16. n. A dance floor.
17. n. The area in which business is conducted at a convention or exhibition
18. v. To cover or furnish with a floor.
floor a house with pine boards
19. v. To strike down or lay level with the floor; to knock down.
20. v. (driving, slang) To accelerate rapidly.
21. v. To silence by a conclusive answer or retort.
floor an opponent
22. v. To amaze or greatly surprise.
We were floored by his confession.
23. v. (colloquial) To finish or make an end of.
floor a college examination
24. v. (mathematics) To set a lower bound.
tier
1. 層, 階層
tier
1. n. One who ties (knots, etc).
2. n. Something that ties.
3. n. (archaic) A child's apron.
4. n. A layer or rank, especially of seats or a wedding cake.
5. v. To arrange in layers.
6. v. To cascade in an overlapping sequence.
7. v. (transitive, computing) To move (data) from one storage medium to another as an optimization, based on how frequently it is accessed.
