to remove or withdraw into solitude or retirement; seclude.
2.
to remove or separate.
3.
Law. to remove (property) temporarily from the possession of the owner; seize and hold, as the property and income of a debtor, until legal claims are satisfied.
4.
International Law. to requisition, hold, and control (enemy property).
Origin: 1350–1400; Middle English sequestren < Latin sequestrāre to put in hands of a trustee, derivative of sequester trustee, depositary
late 14c., from O.Fr. sequestrer (14c.), from L.L. sequestrare "to place in safekeeping," from L. sequester "trustee, mediator," probably originally "follower," related to sequi "to follow" (see sequel). Meaning "seize by authority, confiscate" is first attested 1510s.