(a.) Of or pertaining to the days in the calendar not marked with red letters as saints' days. Hence: Unlucky; inauspicious.
BLACK-LETTER
Meaning of BLACK-LETTER in English
Webster's English dictionary. Английский словарь Webster. 2012
(a.) Of or pertaining to the days in the calendar not marked with red letters as saints' days. Hence: Unlucky; inauspicious.
Webster's English dictionary. Английский словарь Webster. 2012