Related Clues:
- Clean bed with empty drawer by the side
- Waterway deepener
- Deepen a waterway
- Dig up mud from river or canal bed
- Clean out (mud) from channel
- Search the riverbed
- Sprinkle, deepen
- Clear river bottom
- Heading for dentist, Reginald heard instrument excavating canal?
- Clears waterway
- Sprinkle flour
- Scraper of muck from verge by turning of road
- E.g. Livingstone with border to explore
- Sprinkle with flour
- Sharpness shown by doctor -- one deals with a lot of rubbish