pl. -·trums or -·tra
Med. a piece of dead bone which has become separated from the surrounding healthy bone
Origin of sequestrumModern Latin ; from L, a deposit: see sequester
A fragment of dead bone separated from healthy bone as a result of injury or disease.
Origin of sequestrumLatin, deposit, from neuter of sequester, depositary, trustee; see sekw-1 in Indo-European roots.