I.W.W.

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a former international labor union and radical labor movement in the United States;
founded in Chicago in 1905 and dedicated to the overthrow of capitalism;
its membership declined after World War I
• Syn:
Industrial Workers of the World, IWW
• Hypernyms:
union, labor union, trade union, trades union, brotherhood,
labor movement, trade union movement, labor