Related Clues:

• Cup top
• Edge or rim
• An edge, canyon or cup
• Curved edge
• Edge or margin
• Projecting edge of hat
• Raised edge of a round object
• Edge or lip
• Outer edge of a wheel
• The edge of a cup or glass
• 'Edge, like that of a hat (4)'
• 'Brim, lip (3)'
• Brim, lip
• Might one place an ant on top of it?
• That has one all on edge