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.
[ ME f. OF sequestrer or LL sequestrare commit for safe keeping f. L sequester trustee ]