/ Dictionary / Index R radiotelegraph: Meaning and Definition of Find definitions for: ra•di•o•tel•e•graph Pronunciation: (rā"dē-ō-tel'u-graf", -gräf"), [key] — n. a telegraph in which messages or signals are sent by means of radio waves rather than through wires or cables. —v.t., v.i. to telegraph by radiotelegraphy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: radiotelegraph (Thesaurus) radiotelegram radiotelegraphy Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language