up·per·case 
(ŭp′ər-kās)
(ŭp′ər-kās)adj. Abbr. uc or UC
Of, printed, or formatted in capital letters: an uppercase A; uppercase titles.
tr.v. up·per·cased, up·per·cas·ing, up·per·cas·es
1. To put (type or text) in uppercase letters.
2. To begin (a word) with an uppercase letter.
[From the storage of such letters in the upper of two trays used by compositors.]
upper·case n.