Main Entry: se·ques·trum Pronunciation: si-'kwes-tr&m Function: noun Inflected Form: pluralse·ques·trumsalsose·ques·tra/-tr&/ : a fragment of dead bone detached from adjoining sound bone
sequestrum se·ques·trum (sĭ-kwěs'trəm) 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.