/ Dictionary / Index C common ground: Meaning and Definition of Find definitions for: com'mon ground' Pronunciation: [key] a foundation of common interest or comprehension, as in a social relationship or a discussion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. common grackle common iliac artery Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language