tel·ex 
(tĕlĕks′)
(tĕlĕks′)n.
1. A communications system consisting of teletypewriters connected to a telephonic network to send and receive signals.
2. A message sent or received by such a system.
tr.v. tel·exed, tel·ex·ing, tel·ex·es
To send (a message) by telex.
[TEL(ETYPEWRITER) + EX(CHANGE).]