/ Dictionary / Index R reinsure: Meaning and Definition of Find definitions for: re•in•sure Pronunciation: (rē"in-shoor', -shûr'), [key] — -sured, -sur•ing. to insure again. to insure under a contract by which a first insurer is relieved of part or all of the risk, which devolves upon another insurer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reinsure (Thesaurus) reinsurance reintegration 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