Part of X-X-X

1. A round pastry
2. A fastening device
3. A small nail
4. A sharp-toothed cutting tool
5. A type of fish
6. A small metal or plastic disk used as a token, etc.
7. A type of shot in basketball
8. A biting remark or criticism
9. A small physical gesture denoting agreement or acknowledgement
10. A type of letter in the Greek alphabet.