assassin
as.sas.sin \*-'sas-*n\ n [ML assassinus, fr. Ar hashsha-shi-n, pl. of hashsha-sh] one addicted to hashish cap 1: one of a secret order of Muslims that at the time of the Crusades terror ized Christians and other enemies by secret murder committed under the influence of hashish 2: MURDERER; esp : one that murders either for hire or from f anatical motives