v.tr.
1. (esp. as sequestered adj.) seclude, isolate, set apart (sequester oneself from the world; a sequestered life; a sequestered cottage).
2 SEQUESTRATE.
3 Chem. bind (a metal ion) so that it cannot react.
Etymology: ME f. OF sequestrer or LL sequestrare commit for safe keeping f. L sequester trustee