Permanent reversion of land held under feudal tenure to the feudal lord as a result of the vassal's family becoming extinct.
Related term(s): Feudal Tenure; Lord; Vassal; Relief; Fief
Source information: Roberts, Clayton and Roberts, David. A History of England, Third Edition. Englewood Cliffs, New Jersey: Prentice-Hall, Inc., 1998. 76-7.