Related Clues:

• Shrink in increments
• A drop in the ocean?
• Grind down
• Decline gradually
• Recede to the sea
• Get to the point?
• Fade
• Motion of the ocean
• Move back
• Chip away, as support
• Shrink slowly
• Eat off the land?
• Go out to sea
• Gradually get narrow
• Candle type