/see'kwes tray"sheuhn, si kwes-/ , n.
1. removal or separation; banishment or exile.
2. a withdrawal into seclusion; retirement.
3. Law.
a. the sequestering of property.
b. confiscation or seizure.
4. Chem. the combining of metallic ions with a suitable reagent into a stable, soluble complex in order to prevent the ions from combining with a substance with which they would otherwise have formed an insoluble precipitate, from causing interference in a particular reaction, or from acting as undesirable catalysts.
[ 1350-1400; ME sequestration- (s. of sequestratio ), equiv. to sequestrat ( us ) (ptp. of sequestrare to SEQUESTER) + -ion- -ION ]