verb (used with object), up·per·cased, up·per·cas·ing.
Examples from the Web for uppercase
Thus the lowercase f and y and the uppercase Q are shorn of their due proportions.The Booklover and His Books|Harry Lyman Koopman
He used combinations of uppercase and lowercase letters in two sizes in the inscriptions on the clock dial and in his writings.
The uppercase letters found within words are copied off in the order in which they appear in the inscription or phrase.