Fee tail

Fee tail or entail is an obsolete term of art in common law. It describes an estate of inheritance in real property which cannot be sold, devised by will, or otherwise alienated by the owner, but which passes by operation of law to the owner's heirs upon his death. The term fee tail is derived from the Middle Latin feodum talliatum, which means "cut-short fee." The Statute of Westminster II, passed in 1285, created and stereotyped this form of estate. The new law was also formally called the statute De Donis Conditionalibus (Concerning Conditional Gifts).
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Noun
1. a fee limited to a particular line of heirs; they are not free to sell it or give it away
(hypernym) fee

Verb
1. limit the inheritance of property to a specific class of heirs
(synonym) entail
(hypernym) bequeath, will, leave

A form of tenure under the lineal descendants upon the death of the tenant, the land reverted back to the lord. - (read more on Fee tail)