labor union

Từ điển WordNet v3.1 - WordNet Dictionary

noun

an organization of employees formed to bargain with the employer (Freq. 3)
- you have to join the union in order to get a job
• Syn:
union, trade union, trades union, brotherhood
• Derivationally related forms:
trade unionist (for: trade union), unionize (for: union)
• Hypernyms:
organization, organisation
• Hyponyms:
industrial union, vertical union, craft union, company union, Industrial Workers of the World,
IWW, I.W.W.
• Part Holonyms:
labor movement, trade union movement, labor