teletypewriter

[tel-i-tahyp-rahy-ter, tel-i-tahyp-] /ˌtɛl ɪˈtaɪpˌraɪ tər, ˈtɛl ɪˌtaɪp-/
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
1900-05; tele-1 + typewriter
British Dictionary definitions for teletypewriters

teletypewriter

/ˌtɛlɪˈtaɪpˌraɪtə; ˈtɛlɪˌtaɪp-/
noun
1.
a US name for teleprinter