Lexical Definition

‎σικάριος‎ sikários (sik-ar'-ee-os) assassin ^G:N-M
of Latin origin

murderer.

• a dagger-man or assassin
• a freebooter (Jewish fanatic outlawed by the Romans)

Abbott-Smith

*† σικάριος, -ου, ὁ (Lat.; < sica, a dagger carried under their clothing by the Sicarii),
a bandit, assassin, one of the Sicarii (FlJ, B.J., ii, 17, 6, al.): Ac 21:38.†

Abbott-Smith References

Liddell-Scott-Jones

σικάριος [ᾱ], ὁ,

= Latin sicarius, [NT+1st c.AD+]

_{LSJ Scripture Refs: Acts.21.38}