1. Communicating at a distance by electric transmission over wire
   "Telegraphy revolutionized long-distance communication in the 19th century"
    
2. Apparatus used to communicate at a distance over a wire (usually in Morse code)
   "The old telegraphy equipment sat unused in the museum";
   - telegraph

Derived forms: telegraphies

Type of: apparatus, setup, telecom, telecommunication

Encyclopedia: Telegraphy