Noun

1. Any material that fills a space or container
2. Flow into something (as a container)
3. A food mixture used to fill pastry or sandwiches etc.
4. The yarn woven across the warp yarn in weaving
5. (dentistry) a dental appliance consisting of any of various substances (as metal or plastic) inserted into a prepared cavity in a tooth
6. The act of filling something

Verb

1. Make full, also in a metaphorical sense
2. Become full
3. Occupy the whole of
4. Assume, as of positions or roles
5. Fill or meet a want or need
6. Appoint someone to (a position or a job)
7. Eat until one is sated
8. Fill to satisfaction
9. Plug with a substance