noun, often capitalized
si·​car·​i·​us | \ sə̇ˈka(a)rēəs\
plural sicarii\ -​ēˌī \

Definition of sicarius

: one of a party of Zealots and terrorists resorting to murder in attempting to expel the Romans from ancient Palestine a.d. 52–60

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History and Etymology for sicarius

Latin, assassin, murderer, from sica dagger; akin to Latin secare to cut

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