Also 7 casket. [a. F. casquet, dim. of casque: see CASQUE, CASK sb.] A light and open helmet or casque.
1611. Cotgr., Casque, the head-peece tearmed a caske, or casket. Casquet, the same; or, a little one.
1649. Lovelace, Poems (1659), 89. He tooke A Sword and Casket.
1864. Burton, Scot Abr., I. ii. 85. A spread eagle argent, membered and beaked, poised on a casquet of the same, hooped argent.