Definition of radio star in English:

radio star

noun

  • 1A popular performer on radio broadcasts; a radio celebrity.

  • 2Astronomy. A discrete source of radio waves outside the solar system (often subsequently identified as a galaxy). Now chiefly historical.

Origin

1920s; earliest use found in Lincoln (Nebraska) State Journal. From radio + star.

Pronunciation

radio star

/ˈreɪdɪəʊ ˌstɑː/