Definitionen
1.NounThe technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves."send a message by radio"
2.NounA device that can capture (receive) the signal sent over radio waves and render the modulated signal as sound."(of a song, person, etc.) to be on the radio; (of a song, etc.) to play on/be played on/get played on/come on the radio; to hear/listen to a song on the radio; We heard a lovely song on the radio.; She was listening to the radio when he knocked on the door."
3.NounAny audio playing device, such as the on-board entertainment system in a car, usually including a radio receiver as well as the capability to play audio from recorded media; see also car radio.
4.NounA device that can transmit radio signals.
5.NounThe continuous broadcasting of sound via the Internet in the style of traditional radio.
6.VerbTo use two-way radio to transmit (a message) (to another radio or other radio operator)."I think the boat is sinking; we'd better radio for help. / I radioed him already. / Radio the coordinates this time. / OK. I radioed them the coordinates."
7.VerbTo order or assist (to a location), using telecommunications.