/ Dictionary / Index P prompt side: Meaning and Definition of Find definitions for: prompt' side" Pronunciation: [key] — Theat. Theat. the part of the stage that in the U.S. is to the right and in Britain to the left as one faces the audience. Abbr.: P.S. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. promptitude promulgate Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language