1911, in the meaning defined above
intercommunicate
intercommunication system
intercommunicator
“Intercommunication system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intercommunication%20system. Accessed 8 Nov. 2024.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
See Definitions and Examples »
Get Word of the Day daily email!
Share