[si-kwes-truh m]
noun, plural se·ques·tra [si-kwes-truh] /sɪˈkwɛs trə/. Pathology.
  1. a fragment of bone that has become necrotic as a result of disease or injury and has separated from the normal bone structure.

Origin of sequestrum

1825–35; < New Latin; Medieval Latin: sequestrated property, derivative of Latin sequester; see sequester
Related formsse·ques·tral, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for sequestral


noun plural -tra (-trə)
  1. pathol a detached piece of necrotic bone that often migrates to a wound, abscess, etcSee sequester
Derived Formssequestral, adjective

Word Origin for sequestrum

C19: from New Latin, from Latin: something deposited;
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sequestral in Medicine


  1. Of, relating to, or characterized by a sequestrum.


n. pl. se•ques•tra (-trə)
  1. A fragment of dead tissue, usually bone, that has separated from healthy tissue as a result of injury or disease.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.