As a Noun: 1. The deliberate and unlawful killing of a person. English = murder. 2. A person who deliberately and unlawfully kills a person. English = murderer. 3. A cut or a slit on a throat. As a Verb or Adjective: 1. To deliberately and unlawfully kill a person. English = murder. 2. To kill a person in a violent way. Formal English = slay. 3. To cut or slit a throat.