[si-kwes-truh m]

noun, plural se·ques·tra [si-kwes-truh] /sɪˈkwɛs trə/. Pathology.

a fragment of bone that has become necrotic as a result of disease or injury and has separated from the normal bone structure.

Nearby words

  1. sequestral,
  2. sequestrant,
  3. sequestrate,
  4. sequestration,
  5. sequestrectomy,
  6. sequin,
  7. sequined,
  8. sequitur,
  9. sequoia,
  10. sequoia national park

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. 2019

British Dictionary definitions for sequestral


noun plural -tra (-trə)

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

Medicine definitions for sequestral




Of, relating to, or characterized by a sequestrum.



n. pl. se•ques•tra (-trə)

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.