Definition of "sica" [sica]

• In the structure of the extinct pelecypod genus Lunulicardium, one of the two curved smooth sickle-shaped blades which bound the edges of the great anterior hiatus between the valves. (noun)

The Century Dictionary (Public Domain)

• "According to one ancient source, Spartacus wielded a sica in his battles."
• "Perhaps Spartacus now found a sica, the curved Thracian sword that had been denied to him in the arena."
• "And the thraex carried a curved sword sica, like the one used by Thracians in battle."