Gladius

A gladius was a short sword used by the Roman Empire and by Magna Romans.

In the 2260s, Magna Roman police and guards were all armed with gladdii and gladiators also used them in combat. 

In 2268, gladii were among the weapons that (*) created when the crews of the USS Enterprise (NCC-1701) and fought each other. 

In 2364, Magna Romans aboard the USS Centurion trained on the holodeck using gladii and other ancient weapons.