A union or society of workingmen for the purpose of mutual support and encouragement; a trades-union. (noun)
The Century Dictionary (Public Domain)
Use "labor-union" in a sentence
"If a journalist, labor-union leader or community organizer on the left can be targeted today, an academic or business person on the right can be the target tomorrow."
"In addition, the European economies are too encumbered with regulatory and labor-union burdens to grow fast enough to produce the necessary wealth."
"Thursday's measures contained no plans to reduce head count, but Air France's labor-union officials suspect that further moves to slash overhead costs—including job cuts—are likely to be announced after the French presidential election in May."