/ Dictionary / Index P pen-based: Meaning and Definition of Find definitions for: pen-based Pronunciation: (pen'bāst"), [key] (of a computer) having an electronic stylus rather than a keyboard as the primary input device. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Penates pence Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language