Related Clues:

• Extremely educated geek occasionally gets head start
• Suspenseful part of a seat
• Losing wickets, club side
• The cutting side of a blade
• Perimeter captured by embattled general
• Jam's without sharpness
• Where a knife is honed
• Bit of superiority
• Advance very gradually
• Sharp part of lead-free golf club
• Limit advantage
• 'The ___ of Glory' (Lady Gaga song)
• Border of grass trimmed at the front
• "I'm on the ___ of my seat!"
• Advantage; limit