Lewis & Short

sĕquestrātĭo, ōnis, f. [sequestro],

  1. I. a depositing in the hands of a third party, a sequestration, Cod. Th. 2, 28, 1.
  2. II. In gen., a separation, Cassiod. Var. 9, 24; id. Complex. 1; Alcim. Ep. 14.