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 make the strongest favorable impression in a theatrical or similar performance, in comparison to other performers.
To steal, especially by surreptitiously removing an unguarded item.
To win, as in a contest and especially without significant effort.