uppercase meaning and definition

UPPERCASE noun

Definition of uppercase (noun)

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"
   • synonyms: capital, capital letter, majuscule, upper-case letter
   • antonym: lowercase

UPPERCASE adjective

Definition of uppercase (adjective)

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"
   • antonym: lowercase