cable television vs telegraph

cable television

noun
  • Television received through coaxial cables; specifically, a TV service that provides reception to suburbs or other residential areas through utility lines and offering a wide variety of TV channels through satellite reception. 

telegraph

noun
  • The electrical device gradually developed in the early 19th century to transmit messages using Morse code; the entire system used to transmit its messages including overhead lines and transoceanic cables. 

  • A visible or audible cue that indicates to an opponent the action that a character is about to take. 

  • Synonym of telegraphy, any process for transmitting arbitrarily long messages over a long distance using a symbolic code. 

verb
  • To use a telegraph. 

  • To clearly communicate to another nonverbally, whether by gesture, a change in attitude, or any other sign, especially unintentionally. 

How often have the words cable television and telegraph occurred in a corpus of books? (source: Google Ngram Viewer )