Cortain is the short sword of the legendary Ogier the Dane, a paladin of Charlemagne's court. The name is the accusative case declension of Old French corte, meaning "short".
Ogier the Dane's sword aimed at Charlot stopped by angel.—From Léon Gautier ed. Chevalerie (1884), design by Luc-Olivier Merson
Procession in the 1685 coronation of James II, including blunt Curtana sword (E) borne by the Earl of Shrewsbury.—Engraving from Sandford (1687), History of the Coronation of James II