noun.
A list of defaulters: specifically applied to printed lists of insolvents and bankrupts, published officially.
noun.
Any list of persons who are for any reason deemed objectionable by the makers or users of the list, as for political or social misconduct, for joining in or assisting a Strike, etc.
noun.
Nautical, a list kept on board a man-of-war of delinquents to whom extra duty is assigned as a punishment.
To place on a black-list.