trades union An organization whose members are wholly or mainly workers and whose principal purposes include the regulation of relations between workers and employers or employers' associations['treidz'ju:niən]
trade union Organization of employees, usually associated beyond the confines of one enterprise, established for protecting or improving, through collective action, the economic and social status of its members['treɪd'ju:nɪən]
sindicatom(Organización de trabajadores, que excede en general los lìmites de una empresa, establecida con el fin de proteger o de mejorar, por una acción colectiva, las condiciones económicas y sociales de sus miembros)
