say it: pohst-MAWR-tem
post-mortem is a noun meaning "discussion of an event after it has occurred". It carries 2 recorded senses.
discussion of an event after it has occurred
an examination and dissection of a dead body to determine cause of death or the changes produced by disease
Definitions, synonyms and semantic relations for post-mortem come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.