trades un·ion or Trade un·ion . An organized combination among workmen for the purpose of maintaining their rights, privileges, and interests with respect to wages, hours of labor, customs, etc.

 ◄ ►


 trades union
      n : an organization of employees formed to bargain with the
          employer; "you have to join the union in order to get a
          job" [syn: union, labor union, trade union, brotherhood]