Pronunciation: (rā"dē-ō-tel'u-fōn"), [key]
—n., v., -phoned, -phon•ing.
a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
to telephone by radiotelephony.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.