Source : Webster's Revised Unabridged Dictionary (1913)

Entail \En*tail"\, v. t. [imp. & p. p. {Entailed}; p. pr. & vb.
   n. {Entailing}.] [OE. entailen to carve, OF. entailler. See
   {Entail}, n.]
   1. To settle or fix inalienably on a person or thing, or on a
      person and his descendants or a certain line of
      descendants; -- said especially of an estate; to bestow as
      an heritage.

            Allowing them to entail their estates. --Hume.

            I here entail The crown to thee and to thine heirs
            forever.                              --Shak.

   2. To appoint hereditary possessor. [Obs.]

            To entail him and his heirs unto the crown. --Shak.

   3. To cut or carve in a ornamental way. [Obs.]

            Entailed with curious antics.         --Spenser.

Entail \En*tail"\, n. [OE. entaile carving, OF. entaille, F., an
   incision, fr. entailler to cut away; pref. en- (L. in) +
   tailler to cut; LL. feudum talliatum a fee entailed, i. e.,
   curtailed or limited. See {Tail} limitation, {Tailor}.]
   1. That which is entailed. Hence: (Law)
      (a) An estate in fee entailed, or limited in descent to a
          particular class of issue.
      (b) The rule by which the descent is fixed.

                A power of breaking the ancient entails, and of
                alienating their estates.         --Hume.

   2. Delicately carved ornamental work; intaglio. [Obs.] ``A
      work of rich entail.'' --Spenser.

Source : WordNet®

entail
     n 1: land received by fee tail
     2: the act of entailing property; the creation of a fee tail
        from a fee simple
     v 1: have as a logical consequence; "The water shortage means
          that we have to stop taking long showers" [syn: {imply},
           {mean}]
     2: impose, involve, or imply as a necessary accompaniment or
        result; "What does this move entail?" [syn: {implicate}]
     3: limit the inheritance of property to a specific class of
        heirs [syn: {fee-tail}]