/tel'i tuyp"ruy'teuhr, tel"i tuyp'-/ , n.
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. Abbr.: TTY
[ 1900-05; TELE- 1 + TYPEWRITER ]