1. 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"
Adjective
1. of or relating to a style of writing characterized by somewhat rounded capital letters; 4th to 8th centuries
2. uppercase;
"capital A""great A""many medieval manuscripts are in majuscule script"