Red-letter

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Red-letter \Red"-let`ter\ (-l?t`t?r), a.
     Of or pertaining to a red letter; marked by red letters.
     [1913 Webster]
  
     {Red-letter day}, a day that is fortunate or auspicious; --
        so called in allusion to the custom of marking holy days,


        or saints' days, in the old calendars with red letters.
        [1913 Webster]