Related Clues:

• What "X" may mean
• Letterman list starter
• Countdown start
• Clown's foot spec, maybe
• What X may mean
• Uncommon shoe width
• X, maybe
• Pin near a gutter
• One of a score's two
• Commandment complement
• Wide shoe
• Lacrosse team count
• __-speed
• Numerical perfection indicator
• Sinai number