n. [ Radio- + telegraph. ] A wireless telegraph. [ Webster 1913 Suppl. ]
a. Of or pertaining to radiotelegraphy; employing, or used or employed in, radiotelegraphy. [ Webster 1913 Suppl. ]
n. [ Radio- + telegraphy. ] Telegraphy using the radiant energy of radio waves; wireless telegraphy; -- the term adopted for use by the Radiotelegraphic Convention of 1912. [ Webster 1913 Suppl. ]