A jester-cap, also known as a fool's cap, is a traditional hat worn by jesters and court fools. However, this iconic headwear comes in various forms and has different synonyms that describe its design and function. For example, a cock's comb hat is a type of jester-cap with a red crest appendage resembling a rooster's comb. Another alternative synonym for a jester-cap is a bauble hat, which features bells or other colorful trinkets hanging from its ends. Meanwhile, a motley hat describes a multi-colored jester-cap typically worn by performers in medieval and Renaissance fairs. Other synonyms for jester-cap include cap and bells, bauble bonnet, or fool's hood, among others.