/ Dictionary / Index P postremogeniture: Meaning and Definition of Find definitions for: pos•tre•mo•gen•i•ture Pronunciation: (po-strē"mō-jen'i-chur, -choor"), [key] — n. Law. a system of inheritance under which the estate of a deceased person goes to his youngest son. Also calledCf.(def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. post race postrider Related Content Daily Word Quiz: longevity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language