Across 2. Aries sign 5. Run away from 6. Engrave with acid 7. National Basketball Assoc. 8. Past of spit 10. Not wild 13. Used in knitting 16. Crust on healing wound 18. A tree 19. Throbbing pain 20. Just 21. Canine Down 1. Flutter 2. Pay to borrow 3. Pork or beef 4. Scheme to trick 8. Like a fox 9. What we breathe 11. Part of a circle 12. Receding tide 14. Curved structure 15. Must have 16. Smoke and fog 17. Capable | 