Meaning of presumption of survivorship

presump'tion of survi'vorship

Pronunciation: [key]
— Law. Law.
  1. a presumption that one of two or more related persons was the last to die in a common disaster, made so that the estates may be settled and the final heirs determined.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.