1.
Heavy metal band fronted by Ronnie James Dio, formed in 1983 after leaving Black Sabbath.
2. Ronnie James Dio himself, a
heavy metal singer best known as popularizing the "horns" hand guesture in the world of
heavy metal, which is still seen at heavy metal concerts today
3. (adjective) refers to a band's albums or time span that feature Ronnie James Dio; more specifically in reference to Black Sabbath and Rainbow
1. The songs "Holy Diver", "Rainbow In The
Dark", "The Last In Line", and "Hungry for Heaven" are by the
band Dio.
2. "Dio? Yeah, he rocks!"
3. "When it comes to the
band Rainbow, I really like the Dio years. I also like Dio-era Black Sabbath."