Related Clues:
- A very small wave
- A small wave, or a gentle sound as of laughter
- Slight disturbance on water's surface
- Small wave or surface disturbance
- Slight disturbance on surface of lake
- Small wave on the surface of a liquid
- Radar screen spot
- Small surface wave
- Momentary disruption
- Sometimes seen on a screen
- A spot of air-traffic control: b-- cheek!
- Sound wave
- Temporary exception
- Slight wave
- Temporary setback - short high-pitched sound