union (labor), n.Definitions

Union (labor) is a force which unchecked would develop into violent and destructive anarchy.

A Union (labor) is an exclusive club for manual laborers, especially those with well-placed in-laws.

A Union (labor) is an institution that formerly the socialist underbelly of the American corporation but is now notable for having transformed burly blue-collar workers into staunch conservatives with a patch of lawn to keep impeccably trimmed and weeded.