ETYM as. haet, haett; akin to Dan. hat, Swed. hatt, Icel. hattr a hat, höttr hood, Dutch hoed hat, German hut, Old High Germ. huot, and prob. to Latin cassis helmet. Cf. Hood.
> 1. An informal term for a person's role.
2. Protects from weather; has shaped crown and usually a brim; SYN. chapeau, lid.
Head covering, with a shaped crown and sometimes with a brim, worn by both men and women for practical and decorative purposes. There are many styles of hats, for example the trilby, homburg, boater, beret, cap, and fedora.

To put on or wear a hat