Definition of nickelodeon
- nickelodeon Noun Alternative form of Nickelodeon
- Nickelodeon Noun A coin-operated player piano (often elaborated with percussion, banjos, bells, whistles, and other muiscal instruments and noise-makers.
- Nickelodeon Noun An American jukebox operated by nickels.
- Nickelodeon Noun A small neighborhood movie theater, popular in America in the early 20th century.