teletypewriter
noun
tele·type·writ·er ˌte-lə-ˈtīp-ˌrī-tər 
: teletype sense 1 —abbreviation TTY
Example Sentences
Recent Examples on the Web The teletypewriter process is burdensome, especially if both parties don’t have access to one, Robertson said. 
Elise Schmelzer, The Denver Post, 20 Sep. 2019 For example, a deaf inmate trying to talk with a deaf person outside must first type a message into the teletypewriter. Elise Schmelzer, The Denver Post, 20 Sep. 2019 Baudot’s teletype machine, also called a teletypewriter, used a five-key keyboard, write Froehlich and Kent. Kat Eschner, Smithsonian, 11 Sep. 2017
Elise Schmelzer, The Denver Post, 20 Sep. 2019 For example, a deaf inmate trying to talk with a deaf person outside must first type a message into the teletypewriter. Elise Schmelzer, The Denver Post, 20 Sep. 2019 Baudot’s teletype machine, also called a teletypewriter, used a five-key keyboard, write Froehlich and Kent. Kat Eschner, Smithsonian, 11 Sep. 2017 Word History
First Known Use
1903, in the meaning defined above