Related Clues:

• Roost
• Fit well together
• Brooding place
• Where soldiers may be busy
• Treetop retreat
• Hotbed
• Place for fresh eggs
• Bump along the way?
• Fit snuggly
• Digs in a tree
• Arboreal home
• Cozy retreat
• It takes a lot of eggs
• Clutch
• Fit snugly