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English definition of “labor union”

labor union

noun [C] (Cdn Br labour union,  /ˈleɪ·bər ˌjun·jən/)  /ˈleɪ·bər ˌjun·jən/ (short form union) us  
an organization of workers that protects their rights and represents them in discussions with employers over such matters as pay and working conditions
(Definition of labor union from the Cambridge Academic Content Dictionary © Cambridge University Press)
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