transitive verb

1. to set off or apart; separate; segregate; often, to segregate or isolate (the jury) during a trial
2. to take and hold (property) by judicial authority, for safekeeping or as security, until a legal dispute is resolved
3. to take over; confiscate; seize, esp. by authority
4. to withdraw; seclude: often used reflexively

Etymology: ME sequestren < MFr sequestrer < LL sequestrare, to remove, lay aside, separate < L sequester, trustee, akin to sequi: see sequent