/ Dictionary / Index C collision insurance: Meaning and Definition of Find definitions for: colli'sion insur"ance Pronunciation: [key] insurance protecting an automobile owner against loss or damage to the automobile resulting from a collision or other accident. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. collision diameter colloblast Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language