Caetra

Caetra (also Cetra; Roman Ant.), originally an Iberian, small round leather shield; those armed with it: Cetrati.
Source: Pierer’s Universal-Lexikon 4. Auflage 1857–1865

Caetra (also Cetra; Roman Ant.), originally an Iberian, small round leather shield; those armed with it: Cetrati.
Source: Pierer’s Universal-Lexikon 4. Auflage 1857–1865