Related Clues:

• Like many an amphitheater
• Not a perfect circle
• Lionel train path, often
• Like most orbital paths
• __ de Triomphe
• Racetrack path
• Shot put path
• It's produced by a Tesla coil
• Common Lionel layout
• Like a zero
• Welding flash
• Sort of round
• Curved trajectory
• Golf ball path
• Jump shot path