sequester

1. requisition forcibly, as of enemy property;

"the estate was sequestered"

2. 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"

3. undergo sequestration by forming a stable compound with an ion;

"The cations were sequestered"

4. keep away from others;

"He sequestered himself in his study to write a book"

5. set apart from others;

"The dentist sequesters the tooth he is working on"