the flash of light that accompanies an electric discharge in the atmosphere (or something resembling such a flash); can scintillate for a second or more
abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light
marked by an orderly, logical, and aesthetically consistent relation of parts; "a coherent argument"
capable of thinking and expressing yourself in a clear and consistent manner; "a lucid thinker"; "she was more coherent than she had been just after the accident"
delivered at the moment of parting as if in flight or retreat; "paused to deliver a parting shot at the door"; "a Parthian volley of expletives from Uncle Billy"- Bret Harte