To deny; to show the contrary of; to deny legitimacy or achievement of any kind.
To strongly and solemnly refuse to own or acknowledge; to deny responsibility for, approbation of, and the like.
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.