also: こうけんけいやく
noun
yellow-dog contract
A historical US labor term for an employment contract that forbids joining a union; used in Japanese discussions of labor history and law.
アメリカの労働史では、黄犬契約は組合加入を禁じる雇用契約として知られている。
In American labor history, the yellow-dog contract is known as an employment contract that prohibits joining a union.
Yellow-dog contracts were banned by the Norris-LaGuardia Act of 1932.