Related Clues:

• Parenthesis, essentially
• Not perfectly round
• Elliptical
• Ar's follower
• Non-P.C. suffix
• Semicircle
• Bend
• ___ de Triomphe
• Geometry's ___ of Cassini
• Cycloid section
• Compass tracing
• Hook shape
• Supreme leader?
• Feminine suffix
• Suffix with lion