Related Clues:
- Whorl
- Arnold of country
- Nelson who sang "Ah! Sweet Mystery of Life"
- Kayaker's obstacle
- Marine hazard
- Spin zone?
- Water in a whirl
- Fluid dynamics phenomenon
- Draining activity
- ''Science and Health'' author
- Sight near a drain
- Little swirl in water
- Mass of air in violent spiral motion
- Swirl in the water
- A swirl in water