John Travolta's First Hit   John Travolta first gained fame as Vinnie Barbarino on the television series Welcome Back, Kotter (1975).
popular adjective (LIKED) A2 liked, enjoyed, or supported by many people: She's the most popular teacher in school. That song was popular with people from my father's generation. Walking is a popular form of exercise in Britain.
Pop music is a type of popular music that many people like to listen to. The term pop music can be used for all kinds of music that was written to be popular. The word pop music was used from about 1880 onwards, when a type of music called music was popular.