labor union

noun

an organization of wage earners or salaried employees for mutual aid and protection and for dealing collectively with employers; trade union.

Origin of labor union

First recorded in 1865–70

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Most prominent and powerful of these was the craft form of labor-union organization.
The I.W.W.
Paul Frederick Brissenden
Labor-union democracy must be made democratic by referendum control.
The I.W.W.
Paul Frederick Brissenden
To them the labor-union is at present the strongest Americanizing force.
Races and Immigrants in America
John R. Commons
In spite of this report, Schmitz was reelected in 1905 as the candidate of the Labor-Union party.
The Boss and the Machine
Samuel P. Orth
From the beginning, the Union-Labor party had the support of elements outside the labor-union movement.
'The System,' as uncovered by the San Francisco Graft Prosecution
Franklin Hichborn

labor union in Culture

An organization of workers formed to promote collective bargaining with employers over wages, hours, fringe benefits, job security, and working conditions.