An unsteady flash of light.
Any of certain small woodpeckers, especially of the genus Colaptes.
One who flicks.
A short moment.
To flutter or flap.
To burn or shine unsteadily, or with a wavering light.
To keep going on and off; to appear and disappear for short moments; to flutter.
A flash of light; a spark.
The twinkling of a star or other celestial body caused by turbulence in the Earth's atmosphere.
The flash of light produced by something (especially a phosphor) when it absorbs ionizing radiation.