disentail verb & noun. 
[dɪsɪn'teɪl] M17.[from DIS- 2 + ENTAIL verb2.]A. verb trans.1.  Divest, deprive, 
of. Only in 
M17.2.  Law. Free from entail; break the entail of (an estate). 
M19.b. noun. The act of breaking an entail. 
M19. ■   disentailment noun = 
DISENTAIL noun M19.  [TahlilGaran] English Dictionary ▲