Obs. A kind of helmet in use in the fourteenth and fifteenth centuries.
1380. Exch. Rolls Scotl., III. 654, note. Capelli de calibe dicti Ketilhattis.
1399. Will, in Hampoles Wks. (1896), II. 449. My ketylle-hat.
a. 1400[?]. Morte Arth., 2994. Ketelle hattes they cleve evene to þe scholdirs!
c. 1440. Promp. Parv., 273/2. Ketylle hat, pelliris, galerus.