1. capital, capital letter, majuscule, upper-case letter, uppercase

one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis

Example Sentences:
'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
• uppercase