Source : Webster's Revised Unabridged Dictionary (1913)

Majuscule \Ma*jus"cule\, n. [Cf. F. majuscule. See
   {Majuscul[ae]}.]
   A capital letter; especially, one used in ancient
   manuscripts. See {Majuscul[ae]}.

   {Majuscule writing}, writing composed wholly of capital
      letters, especially the style which prevailed in Europe
      from the third to the sixth century.

Source : WordNet®

majuscule
     adj 1: of or relating to a style of writing characterized by
            somewhat rounded capital letters; 4th to 8th centuries
            [ant: {minuscule}]
     2: uppercase; "capital A"; "great A"; "many medieval
        manuscripts are in majuscule script" [syn: {capital}, {great}]
     n : one of the large alphabetic characters used as the first
         letter in writing or printing proper names and sometimes
         for emphasis; "printers once kept the type for capitals
         and for small letters in separate cases; capitals were
         kept in the upper half of the type case and so became
         known as upper-case letters" [syn: {capital}, {capital
         letter}, {upper case}, {upper-case letter}] [ant: {small
         letter}]