›(alsosequestrate)LAW, PROPERTYto take temporary possession of someone's property until they have paid back the money that they borrowed in order to buy it, or until they have obeyed a court order: You sign the acknowledgement of debt now and a few months later your property will be sequestered.
›LAWto keep a jury together in a place so that they cannot discuss the case with other people or see or hear news reports about it: He is expected to rule on a motion to sequester jurors during the trial.