Related Clues:

• Secret stat, sometimes
• Kentucky Derby, e.g.
• Regatta, for example
• Twain's "The Gilded ---"
• NASCAR event
• It may have four legs
• Grandma's ''secret''
• Space ___
• Bronze ___
• Admission restriction, usually
• Application form question
• Six, say, for a first-grader
• Ice is one, information another
• Cause of some R ratings
• Geological period