n. a type of lettering form that appears as a number, figure, or symbol above the normal line of type, located at the right or left of another symbol or text.
the GNU version of the Collaborative International Dictionary of English
n. Superscription.
The Century Dictionary and Cyclopedia
Written over or above the line: the opposite of subscript.
n. The address of a letter; superscription.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. written or printed above and to one side of another character
n. a character or symbol set or printed or written above and immediately to one side of another character
Word Usage
"The numbers appear in the main part of the LCD window, and the current operator as a kind of superscript, above them."