1. To keep a person or a group of people away from others: The judge is sequestrating the jury until a verdict is concluded.
2. In law, to take or confiscate property until a debt has been paid: Jillian's and Roy's house will be sequestrated by the bank, unless they can come up with their back payments.
3. Etymology: from Late Latin sequestrare, "to give up for safe keeping"; from sequester, "a depository, a trustee".