/ Dictionary / Index C combo store: Meaning and Definition of Find definitions for: com'bo store" Pronunciation: [key] — Informal. Informal. a combined drugstore and supermarket. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. combo comb-out Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language