Related Clues:

• Cutting side as of knife, or margin
• Sharpened side of a blade
• Frontier
• Cutting side of knife
• 'Margin, rim (4)'
• Border or boundary
• Outside limit
• 'Border, boundary, rim (4)'
• A little help will make it gel
• During 23 down one comes to the Border
• The side that may be at the side of the road for the unaspirated
• Sidle to the border
• Beside this, perhaps, the Dr. might get to the bottom of it
• Side or sidle
• Neither inside nor calm on this