An association of laborers wherein all the members do the same type of work.
In a craft union, the members all perform an occupation, or trade, that relies on the use of the hands. They practice a particular trade and perform their work in different industries for a variety of employers. Carpenters and tool and die makers are types of employees who may belong to a craft union.
"Craft Union." West's Encyclopedia of American Law. . Encyclopedia.com. (November 13, 2018). https://www.encyclopedia.com/law/encyclopedias-almanacs-transcripts-and-maps/craft-union
"Craft Union." West's Encyclopedia of American Law. . Retrieved November 13, 2018 from Encyclopedia.com: https://www.encyclopedia.com/law/encyclopedias-almanacs-transcripts-and-maps/craft-union