Related Clues:

• Lionel train layout, maybe
• Cartouche's shape
• Elliptical shape
• Oviform
• Elliptical track
• Tiresome one
• Picture frame shape
• It may be hard to swallow
• It's taken in for treatment
• George's office
• NASCAR track
• Like some earrings
• Like 'O'
• Amphitheater shape
• Like an egg