noun / verb
hat
HAT/hæt/
A head covering that can identify its wearer's role.
The felt hat has a shaped crown and a brim.

Etymology
Old English hæt already named a head covering, so the modern meaning continues the ancestor's ordinary use. Its deeper origin is uncertain.
In context
an elderly gentleman put his head in and raised his hat and asked with great courtesy whether the seat was taken.
More examples
- She wears a wide-brimmed hat to keep the sun off her face.
- The chef's tall white hat makes him easy to spot.
- As a small business owner, I wear many hats.
Forms
hat · hats · hatted · hatting
hatless adjective — Not wearing a hat on one's head.