noun(UK also trades union, US also labor union)WORKPLACE, HR
Definition
›an organization that represents the people who work in a particular industry, protects their rights, and agrees on pay, hours, etc. with their employers: 75% of the country's paid labour force are not members of a trade union.The Labour party emerged from within the trade union movement.a trade union activist/leader/membera trade union official/representativebelong to/form/join a trade union recognize a trade union → See Noteunion