名詞 post mortem:

1. discussion of an event after it has occurred
   同義詞：postmortem, post-mortem
2. an examination and dissection of a dead body to determine cause of death or the changes produced by disease
   同義詞：autopsy, necropsy, postmortem, post-mortem, PM, postmortem examination, post-mortem examination

形容詞 post mortem:

1. occurring or done after death
   同義詞：postmortem, postmortal
2. after death or after an event
   同義詞：postmortem