- 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.
labor union definition by Webster's New World
labor union definition by American Heritage Dictionary
labor union - Business Definition
labor union - Cultural Definition
An organization of workers formed to promote collective bargaining with employers over wages, hours, fringe benefits, job security, and working conditions.