Meaning of postremogeniture

pos•tre•mo•gen•i•ture

Pronunciation: (po-strē"mō-jen'i-chur, -choor"), [key]
— n. Law.
  1. 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.