Noun
One guilty of murder; a person who, in possession of his reason, unlawfully kills a human being with premeditated malice.
A small cannon, formerly used for clearing a ship's decks of boarders; -- called also murdering piece.
Source: Webster's dictionaryKill one man, and you are a murderer. Kill millions of men, and you are a conqueror. Kill them all, and you are a god. Jean Rostand
Every murderer is probably somebody's old friend. Agatha Christie
A murderer is regarded by the conventional world as something almost monstrous, but a murderer to himself is only an ordinary man. It is only if the murderer is a good man that he can be regarded as monstrous. Graham Greene
The deserter is the brother of the murderer. Arabic Proverb
An ignorant doctor is no better than a murderer. Chinese Proverb
The mother of someone who is killed can sleep; the mother of the murderer cannot. Arabic Proverb