Related Clues:
- Tree covering second old boat
- Dog heard whinny around entrance to copse
- Skin of tree
- Three-master - tree covering - wolf cry
- Sound of dog - protector of trunks
- Covering of tree trunk
- Animal sound — layer protecting tree trunk
- Certain traditional medicine source
- Outside of a tree
- Tree's protective layer
- Lab report?
- Source of cinnamon spice
- ''Arf'' or ''woof''
- Line for 33-Down
- Dog's greeting