| Noun | 1. | Marx Brothers - a family of United States comedians consisting of four brothers with an anarchic sense of humorfamily unit, family - primary social group; parents and children; "he wanted to have a good job before starting a family" Groucho, Julius Marx, Marx - United States comedian; oldest of four brothers who made motion pictures together (1890-1977) Chico, Leonard Marx, Marx - United States comedian; one of four brothers who made motion pictures together (1891-1961) Arthur Marx, Harpo, Marx - United States comedian; one of four brothers who made motion pictures together (1893-1964) Herbert Marx, Marx, Zeppo - United States comedian; one of four brothers who made motion pictures together (1901-1979) | |