Complete Clue List
Across
1. Batman's sidekick
4. Largest artery
7. Globe
8. Reddish brown
9. Aquatic mammal
10. Old sailor
11. Terra firma
14. Toss
17. Bitter
20. Lungs of the world
23. Use a paddle
24. Buy and sell
25. Bury
26. Knight's title
27. Hazards
28. Enormous
Down
1. Blusher
2. Fictional elephant
3. Cardinal point
4. Scrub a mission
5. Engine part
6. Fletcher's product
12. Rainbow shape
13. Prefix for three
15. Not him
16. Lode load
17. Later
18. Bellows
19. Frock
20. Spin
21. Go in
22. Rocky rubble