Related Clues:

• Keystone setting
• Keystone structure
• Pursue closely
• Part of McDonald's logo
• End of a loaf
• Coy
• Rainbow, e.g.
• Curvature
• Gothic doorway shape
• Military doctor's concern
• It's always underfoot
• McDonald's symbol
• Paris landmark
• Sight on the Champs Elysees
• Prefix with conservative