limited fee simple

1 :  a fee simple estate in land that may last forever but is limited to terminate automatically whenever certain circumstances in existence when the estate is created cease to exist :  a base, qualified, or determinable fee simple estate

2a :  a fee simple estate that is defeasible and may come to an end for any reason (as by reentry after breach of a condition subsequent upon which the estate was limited) b :  a reversion or remainder estate in land or a conditional fee-tail estate