Source : Webster's Revised Unabridged Dictionary (1913)

Sequestrate \Se*ques"trate\, v. t. [imp. & p. p. {Sequestrated};
   p. pr. & vb. n. {Sequestrating}.]
   To sequester.

Source : WordNet®

sequestrate
     v 1: keep away from others; "He sequestered himself in his study
          to write a book" [syn: {seclude}, {sequester}, {withdraw}]
     2: set apart from others; "The dentist sequesters the tooth he
        is working on" [syn: {sequester}, {keep apart}, {set apart},
         {isolate}]