( sometimes initial capital letter ) a two-way teletypewriter service channeled through a public telecommunications system for instantaneous, direct communication between subscribers at remote locations.
2.
a teletypewriter used to send or receive on such a service.
3.
a message transmitted by telex.
verb (used with object)
4.
to send (a message) by telex: We telex instructions to the agent.
5.
to send a message by telex to: They telexed the Paris office.