A public official who investigates by inquest any death not due to natural causes WordNet 3.0 & Open English WordNet

A coroner is a government or judicial official who is empowered to conduct or order an inquest into the manner or cause of death, and to investigate or confirm the identity of an unknown person who has been found dead within the coroner's jurisdiction. Wikipedia

The medical examiner is an appointed official in some American jurisdictions who is trained in pathology that investigates deaths that occur under unusual or suspicious circumstances, to perform post-mortem examinations, and in some jurisdictions to initiate inquests. Wikipedia

Government official who investigates human deaths and determines cause of death. Wikipedia Disambiguation

Government official who confirms and certifies the death of an individual Wikidata

A public official who presides over an inquest into unnatural deaths, cases of treasure trove, and debris from shipwrecks. Wiktionary

Who presides over an inquest. Wiktionary (translation)

A physician who examines cadavers on behalf of the government. Wiktionary