扣

kòu

1. to fasten
2. to button
3. button
4. buckle
5. knot
6. to arrest
7. to confiscate
8. to deduct (money)
9. discount
10. to knock
11. to smash, spike or dunk (a ball)
12. to cover (with a bowl etc)
13. (fig.) to tag a label on sb
14. (Tw) (loanword) code