What does BLACK-LIST mean?

BLACK-LIST meaning in Law Dictionary

set of persons marked down for special avoidance, antagonism, or enmity on the part of those that prepare the list or those among who its Intended to circulate; as where a trades-union "blacklists" workmen which won't comply with its principles, or in which a summary of insolvent or untrustworthy persons is published by a commercial agency or mercantile relationship. Masters v. Lee, 39 Neb. 574. 58 N. W. 222; Mattison v. Railway Co., 2 Ohio N. P. 279.