Related Clues:

• Brooding mother
• It works to have a nest egg
• Fruit box
• Chick's mother
• Mother ptarmigan, e.g.
• Layer?
• Clutch producer?
• Farmers' market container, perhaps
• See 97-Across
• Farm clucker
• Egg layer
• Natural incubator
• Pullet, e.g.
• Mother __
• Decrepit car