teletypewriter

[tel-i-tahyp-rahy-ter, tel-i-tahyp-]
noun
  1. a telegraphic apparatus by which signals are sent by striking the letters and symbols of the keyboard of an instrument resembling a typewriter and are received by a similar instrument that automatically prints them in type corresponding to the keys struck. Abbreviation: TTY

Origin of teletypewriter

First recorded in 1900–05; tele-1 + typewriter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for teletypewriter

teletypewriter

noun
  1. a US name for teleprinter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012