labor_union has definitions from the field of work
[ noun ] (work) an organization of employees formed to bargain with the employer


"you have to join the union in order to get a job"

Used in print

(Tristram P. Coffin, "Folklore in the American Twentieth...)

Enthusiastically , Americans have swept subliterary and bogus materials like Paul_Bunyan tales , Abe_Lincoln anecdotes and labor_union songs up as true products of our American oral tradition .

(Frank Oppenheimer, "Science and Fear-- A Discussion...)

Constitutional government , popular vote , trial by jury , public education , labor_unions , cooperatives , communes , socialized ownership , world_courts , and the veto power in world_councils are but a_few examples .