Dictionary.com
Thesaurus.com

radiotelegram

American  
[rey-dee-oh-tel-uh-gram] / ˌreɪ di oʊˈtɛl əˌgræm /

noun

  1. a message transmitted by radiotelegraphy.


radiotelegram British  
/ ˌreɪdɪəʊˈtɛlɪˌɡræm /

noun

  1. Also called: radiogram.  a message transmitted by radiotelegraphy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of radiotelegram

First recorded in 1900–05; radio- + telegram