PM

noun

1.
an examination and dissection of a dead body to determine cause of death or the changes produced by disease
deathreading open body underseeking autopsy necropsy post-mortem postmortem post-mortem examination postmortem examination
2.
the person who holds the position of head of the government in the United Kingdom
premier prime minister
3.
modulation of the phase of the carrier wave
phase modulation
4.
the period between noon and midnight
p.m. P.M.