<p><strong>noun</strong></p><ul><li>wireless telegraphy or telephony: speeches broadcast by radio.</li><li>an apparatus for receiving or transmitting radio broadcasts.</li><li>a message transmitted by radio.</li></ul><p><strong>adjective</strong></p><ul><li>pertaining to, used in, or sent by radio.</li><li>pertaining to or employing radiations, as of electrical energy.</li></ul><p><strong>verb</strong></p><ul><li>(used with object) radioed, radioing.<ul><li>to transmit (a message, music, etc.) by radio.</li><li>to send a message to (a person) by radio.</li></ul></li><li>(used without object) radioed, radioing.<ul><li>to transmit a message, music, etc., by radio.</li></ul></li></ul>