Noun

1. Document giving the tax collector information about the taxpayer's tax liability
2. A coming to or returning home
3. The occurrence of a change in direction back in the opposite direction
4. Getting something back again
5. The act of going back to a prior location
6. The income or profit arising from such transactions as the sale of land or other property
7. Happening again (especially at regular intervals)
8. A quick reply to a question or remark (especially a witty or critical one)
9. The key on electric typewriters or computer keyboards that causes a carriage return and a line feed
10. A reciprocal group action
11. A tennis stroke that sends the ball back to the other player
12. (american football) the act of running back the ball after a kickoff or punt or interception or fumble
13. The act of someone appearing again

Verb

1. Go or come back to place, condition, or activity where one has been before
2. Give back
3. Go back to a previous state
4. Go back to something earlier
5. Bring back to the point of departure
6. Return in kind
7. Make a return
8. Answer back
9. Be restored
10. Pay back
11. Pass down
12. Elect again
13. Be inherited by
14. Return to a previous position; in mathematics
15. Give or supply
16. Submit (a report, etc.) to someone in authority