The Collaborative International Dictionary of English v.0.48:
Sequester \Se*ques"ter\, v. t. [imp. & p. p. Sequestered; p.
pr. & vb. n. Sequestering.] [F. s['e]questrer, L.
sequestrare to give up for safe keeping, from sequester a
depositary or trustee in whose hands the thing contested was
placed until the dispute was settled. Cf. Sequestrate.]
1. (Law) To separate from the owner for a time; to take from
parties in controversy and put into the possession of an
indifferent person; to seize or take possession of, as
property belonging to another, and hold it till the
profits have paid the demand for which it is taken, or
till the owner has performed the decree of court, or
clears himself of contempt; in international law, to
Formerly the goods of a defendant in chancery were,
in the last resort, sequestered and detained to
enforce the decrees of the court. And now the
profits of a benefice are sequestered to pay the
debts of ecclesiastics. --Blackstone.
2. To cause (one) to submit to the process of sequestration;
to deprive (one) of one's estate, property, etc.
It was his tailor and his cook, his fine fashions
and his French ragouts, which sequestered him.
3. To set apart; to put aside; to remove; to separate from
I had wholly sequestered my civil affairss. --Bacon.
4. To cause to retire or withdraw into obscurity; to seclude;
to withdraw; -- often used reflexively.
When men most sequester themselves from action.
A love and desire to sequester a man's self for a
higher conversation. --Bacon.