From WordNet (r) 3.0 (2006):
Marx
n 1: United States comedian; one of four brothers who made
motion pictures together (1901-1979) [syn: Marx, Herbert
Marx, Zeppo]
2: United States comedian; one of four brothers who made motion
pictures together (1893-1964) [syn: Marx, Arthur Marx,
Harpo]
3: United States comedian; one of four brothers who made motion
pictures together (1891-1961) [syn: Marx, Leonard Marx,
Chico]
4: United States comedian; one of four brothers who made motion
pictures together (1890-1977) [syn: Marx, Julius Marx,
Groucho]
5: founder of modern communism; wrote the Communist Manifesto
with Engels in 1848; wrote Das Kapital in 1867 (1818-1883)
[syn: Marx, Karl Marx]