/ Dictionary / Index R reinsurance: Meaning and Definition of Find definitions for: re•in•sur•ance Pronunciation: (rē"in-shoor'uns, -shûr'-), [key] — n. the process or business of reinsuring. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reinsurance (Thesaurus) reinstate reinsure Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language