D defs.my
Entry 1 sense Webster, 1913

airwaves

· air·waves · IPA /ˈɛrwˌeɪvz/
01 n. pl. the medium of transmission of signals by radio or television stations; by radio transmission; -- used non-technically; as, over the airwave…
  1. 1.
    the medium of transmission of signals by radio or television stations; by radio transmission; -- used non-technically; as, over the airwaves, i. e. by radio or television.