tel·ex I. \ˈteˌleks\noun (-es) Etymology:teleprinter + exchange 1.: a communication service involving teletypewriters connected by wire through automatic exchanges ; also : a teletypewriter used in telex 2.: a message sent by telex II. transitive verb (-ed/-ing/-es) 1.: to send (as a message) by telex < a script would be telexed to New York — V.S.Naipaul > 2.: to communicate with by telex < telexed the league office to officially protest the … game — Steve Wulf >