sequestrum

noun

se·ques·trum si-ˈkwe-strəm

plural sequestrums also sequestra si-ˈkwe-strə

: a fragment of dead bone detached from adjoining sound bone

Word History

Etymology

New Latin, from Latin, legal sequestration, from sequester

First Known Use

1831, in the meaning defined above

Time Traveler

The first known use of sequestrum was in 1831

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Browse Nearby Words

sequestree

sequestrum

sequin

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Cite this Entry

Style

“Sequestrum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sequestrum. Accessed 3 Nov. 2025.

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Medical Definition

sequestrum

noun

se·ques·trum si-ˈkwes-trəm

plural sequestrums also sequestra -trə

: a fragment of dead bone detached from adjoining sound bone

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