majuscule

nouns

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"
is derived from

adjectives

of or relating to a style of writing characterized by somewhat rounded capital letters; 4th to 8th centuries
antonym
is similar to
of the nature of a majuscule or written in majuscules
see also
relating to capital letters which were kept in the top half of a compositor's type case
"uppercase letters; X and Y and Z etc"
uppercase
"capital A"; "great A"; "many medieval manuscripts are in majuscule script"