What is the meaning of telegraph key?

noun

  • Key consisting of a lever that sends a telegraph signal when it is depressed and the circuit is closed. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). telegraph key. Retrieved September 21, 2026, from http://smartdefine.org/telegraph_key/definitions/1208852
ChicagoWordNet. 2010. "telegraph key" http://smartdefine.org/telegraph_key/definitions/1208852 (accessed September 21, 2026).
HarvardWordNet 2010, telegraph key, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/telegraph_key/definitions/1208852>.
MLAWordNet. "telegraph key" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/telegraph_key/definitions/1208852>