necropsy UK /ˈnɛkɹɒpsi/US /ˈnɛkɹɑpsi/noun 1verb 1forms 3 noun1 •The pathological examination of a corpse, particularly to determine cause of death.Anatomy theory led to morbid anatomy in necropsy studies pursued by, among others, Johann Wepfer (1620–95) and Théophile Bonet (1620–89), both Swiss. — 1997 verb1 •To perform a necropsy on. formsnecropsied · necropsying · necropsies