instrument for recording distant thunderstorms
• (n.) A figure or picture impressed by lightning upon the human body or elsewhere.
Ke·rau'no·graph noun [ Greek ... thunderbolt + graph .] A figure or picture impressed by lightning upon the human body or elsewhere. -- 
ceraunograph, ceraunography, keraunograph, keraunography 1. An instrument for chronologically recording occurrences of thunder (thunderstorms) and lightning (lightnings or thunderbolts). 2. A figure impressed by lightning upon a body or material. 3. In meteorology, an apparatus, consisting essentially of an antenna connected to a galvanometer or el...