Definition of sicarii:
(N) :
The (“Knife-wielder”, “dagger-wielder”, “dagger-bearer”; from Latin sica = dagger) a group of Jewish Zealots, who, in the final decades of the Second Temple period, conducted a campaign of targeted assassinations and kidnappings of Roman officials in Judea and of Jews who collaborated with the Roman Empire.
(N) :
(Daggermen) a Jewish terrorist group active in Israel that took responsibility for a series of terrorist attacks between 1989 and 1990 on Palestinians and Jewish political and media figures sympathetic to the plight of Palestinians.