The Collaborative International Dictionary of English v.0.48:

Tailzie \Tail"zie\ (-z[i^] or -y[i^]), n. [F. tailler to cut.
   See Tail a limitation.] (Scots Law)
   An entailment or deed whereby the legal course of succession
   is cut off, and an arbitrary one substituted. [Written also
   tailzee.]
   [1913 Webster]