ketelhattum

ketelhattum [ME ketelhat] , kettle-hat, helmet shaped like a kettle. 1377 ketelhatt’ (v. escuratio b); 1380 capelli de calibe dicti ketilhattis, viij l. (Ac. Chamb. Scot.) ExchScot 654; 1386 super ‥ reparacione loricarum, ketilhattorum, bacynettorum, platanum et aliarum diversarum armaturarum Ac. Foreign 20G.