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.
to criticise someone
To move someone away from others to be able to talk to, or give them something in private.
To dismantle something into its component pieces.
To soundly defeat someone, or a team.