Illustrated Companion to the Latin Dictionary/Cetra
Illustrated Companion to the Latin Dictionary, and Greek Lexicon (Rich, 1849)
editCETRA. A small round shield (Varro, ap. Non. s. v. p. 555. and p. 82.), covered with hide (Serv. ad Virg. Aen. vii. 732.); chiefly employed by the natives of Africa, Spain, and ancient Britain (Tac. Agr. 36.), the form and character of which is believed to be preserved in the target of the Scottish highlanders.