majuscule
nounA large letter, either capital or uncial, used in writing or printing.
nounIn paleography, a capital or uncial letter: opposed to minuscule.
nounA capital letter; especially, one used in ancient manuscripts. See
writing composed wholly of capital letters, especially the style which prevailed in Europe from the third to the sixth century.
nounA
of or relating to a style of writing characterized by somewhat rounded capital letters; 4th to 8th centuries
adjectiveuppercase
nounone of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis