Related Clues:

• Impress into memory
• Eat like a rat
• Make bank withdrawals?
• Emulate a mouse
• Write on glass, e.g.
• Partly eat away
• Beleaguer, with 'at'
• Slowly reduce, as a cliff face
• Slip away, as support
• Cut deeply
• Engrave on glass
• Gradually diminish
• Make art with acid
• Ingrain, as into memory
• Use the teeth to erode