Definition of USWA from the Oxford Advanced Learner's Dictionary

 

USWA

 
BrE
 
; NAmE
 
(also USW)the United Steelworkers of America
 
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one of the largest US trade unions. It was established in 1936 as the Steel Workers' Organizing Committee for steel, iron and tin workers, and took its present name in 1942. It now includes workers in other industries, such as rubber and plastics.