'Black-letter' definitions:

Definition of 'Black-letter'

From: GCIDE
  • Black-letter \Black"-let`ter\, a.
  • 1. Written or printed in black letter; as, a black-letter manuscript or book. [1913 Webster]
  • 2. Given to the study of books in black letter; that is, of old books; out of date. [1913 Webster]
  • Kemble, a black-letter man! --J. Boaden. [1913 Webster]
  • 3. Of or pertaining to the days in the calendar not marked with red letters as saints' days; -- compare red-letter. Hence: Unlucky; inauspicious. [1913 Webster]