Related Clues:

• Clear a channel
• Clear the bottom of a river
• Underwater excavator
• Clear, as a channel
• Scalloping apparatus
• Deepen, as a channel
• Clean out a bed
• One who coerces animal to sleep by river
• Clear (riverbed)
• Revolutionary director heading, for example, back to do some work down the Shannon
• One way to deepen a channel
• Earth-mover placing rubbish alongside sleeper
• Scrape the bottom
• Drag the riverbed
• Clean bottom lip, following medic