1. 
[syn: capital, capital letter, uppercase, upper-case letter, majuscule]
ADJECTIVE (1)
1.  relating to capital letters which were kept in the top half of a compositor's type case; 
- Example: "uppercase letters X and Y and Z etc"; 
WordNet (r) 3.0 (2006):
uppercase
    adj 1: 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" [ant: lowercase]
    n 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" [syn: capital, capital letter,
         uppercase, upper-case letter, majuscule] [ant:
         lower-case letter, lowercase, minuscule, small
         letter]