black-letter

See also: blackletter and black letter

English

Noun

black-letter

1. attributive form of black letter

   black-letter law

2. Written or printed in black letter.

   a black-letter manuscript or book

3. Given to the study of books in black letter; old-fashioned.
   • J. Boaden

     Kemble, a black-letter man!

4. Of or relating to the days in the calendar not marked with red letters as saints' days; unlucky; inauspicious.