cryptophone
nounEtymology From crypto- + phone.
1
A secure telephone that provides security against eavesdropping and electronic surveillance.
- The bulky refrigerator-size boxes that scrambled the phone discussions of Roosevelt and Churchill are just steps from the hefty cryptophones of the 1970s and more modern versions.2008 March 12, Peter Wayner, “Psst! Follow Me and I’ll Show You the Exhibition”, in New York Times: