Across

1. Ox-like animal

4. Take a seat

6. Sheep sound

7. Repeated another time

8. Something said for laughs

9. Hollow space in a hill

12. To classify

14. Type of tree

16. Japanese currency

17. H2O

Down

1. Worn on babies while eating

2. Small burning particle

3. Tidy

4. Large body of water

5. Stretched tight

8. Food made with gelatine

10. FBI officer

11. Had flown

13. Forbid

15. To blemish or spoil