1. physically in contact with and supported by (a surface).
- located somewhere in the general surface area of (a place).
- as a result of accidental physical contact with.
- supported by (a part of the body).
- on to.
- in the possession of; being carried by.
3. physically in contact with and supported by a surface.
4. indicating a continuation of a movement or action.
5. (of an event) taking place or being presented.
1. The pen is on the table.
2. I'll see you later on.
3. Turn on the fan.