/ Dictionary / Index E exclusion clause: Meaning and Definition of Find definitions for: exclu'sion clause" Pronunciation: [key] — Insurance. Insurance. a clause in a policy stipulating risks not covered in the policy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. exclusionary rule exclusionism Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language