labor organization

noun
  1. : an organization, agency, committee, group, or plan in which employees take part that deals with employers about such matters as wages and grievances; especially : labor union : labor union

    Note: Designation by the court as a labor organization subject to applicable statutes can confer a variety of liabilities and protections, especially in regard to antitrust issues, unfair labor and management practices, and right-to-work laws.