Trilby (noun)

A type of soft felt hat with a narrow brim and indented crown, typically worn by men.

Origin:

Late 19th century: named after the heroine of george du maurier's novel trilby (1894), in which she wore such a hat.

Examples:

1. He wore a smart trilby hat to the racecourse.
2. The trilby hat was once a popular item of headwear for men.
3. The character in the book was often depicted wearing a trilby hat in illustrations.
4. Trilby hats became fashionable in the late 19th and early 20th centuries.
5. A trilby hat can be a stylish addition to a man's wardrobe.