teletypewriter n : a character printer connected to a telegraph that operates like a typewriter [syn: {teleprinter}, {teletype machine}, {telex}, {telex machine}]
teletypewriter(Nearly always abbreviated to "teletype" or "{tty}") An obsolete kind of {terminal}, with a noisy mechanical {printer} for output, a very limited {character set}, and poor print quality. See also {bit-paired keyboard}. (2000-04-02)