What is three-cornered hat?

The three-cornered hat, also known as a tricorne, is a style of hat that was originally worn by men during the 18th century. It is characterized by its triangular shape, with three angled corners that are turned up. The hat was commonly made from felt, leather, or straw, and was typically decorated with a feather or ribbon.

The three-cornered hat was often worn by military and political leaders during the American Revolution and was also a fashion staple in Europe during this time period. It was later popularized by pirates and other seafarers during the 19th century, which is why it is now often associated with pirate costumes.

Today, the three-cornered hat is primarily worn as a costume piece, particularly during historical reenactments and theatrical productions. It has also been adopted as a ceremonial hat in some military and naval organizations.