sequester in WordNet English dictionary

1. take temporary possession of as a security, by legal authority
   "The FBI seized the drugs"; "The customs agents impounded the illegal shipment"; "The police confiscated the stolen artwork"
   impound  attach  sequester  confiscate  seize 
   
2. set apart from others
   "The dentist sequesters the tooth he is working on"
   sequester  sequestrate  keep apart  set apart  isolate 
   
3. keep away from others
   "He sequestered himself in his study to write a book"
   seclude  sequester  sequestrate  withdraw 
   
4. undergo sequestration by forming a stable compound with an ion
   "The cations were sequestered"
   sequester 
   
5. requisition forcibly, as of enemy property
   "the estate was sequestered"
   sequester