/ Dictionary / Index S service ace: Meaning and Definition of Find definitions for: serv'ice ace" Pronunciation: [key] ace (def. 3a). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. serviceable serviceberry Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language