English to English
upper-case letter

noun (n)
- one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis(noun.communication)Example:
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.
Synonym:
capital, capital letter, majuscule, uppercase
Antonym:
lower-case letter, lowercase, minuscule, small lettersource: wordnet30