labor unionlabor union
The definition of a labor union is a group of workers who join together to bargain collectively with their employer.
The United Steelworkers is an example of a labor union where steelworkers have joined together.
an association of workers to promote and protect the welfare, interests, and rights of its members, primarily by collective bargaining
An organization of workers formed for the purpose of serving the members' interests with respect to wages and working conditions.