- a murderer, especially one who kills a politically prominent person for fanatical or monetary reasons.
- one of an order of Muslim fanatics, active in Persia and Syria from about 1090 to 1272, whose chief object was to assassinate Crusaders.
- a murderer, esp one who kills a prominent political figure
- a member of a secret sect of Muslim fanatics operating in Persia and Syria from about 1090 to 1256, murdering their victims, usually Crusaders
