Meaning of RADIO in English
■ noun ( plural ~s )
1》 the transmission and reception of ~ waves, especially those carrying audio messages.
2》 the activity of broadcasting sound to the public.
↘a broadcasting station or channel.
3》 an apparatus for receiving ~ programmes.
↘an apparatus capable of receiving and transmitting ~ messages.
■ verb ( ~es , ~ing , ~ed ) send a message by ~.
↘communicate with by ~.
early 20th cent.: abbrev. of ~-telephone .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004