To criticise (especially small details).
Used other than figuratively or idiomatically: see pick, apart.
To overcome by skilled execution.
To review or analyse in great detail
To inform on, especially in betrayal of others.
To contact or cooperate with the police for any reason.
A ball used in the sport of Quidditch.
A thief.
An informer, one who betrays his group.
A nose.
A tiny morsel.