A sunhat is a wide hat worn to keep the sun off your face. Put on a sunhat.
The brim is the whole point, since a cap leaves the ears and the neck exposed. A sunhat does more against skin damage than any amount of cream on the face.
1nounsunhatA wide hat worn to keep the sun off your face.
“The sunhat blew off the boat within about ten minutes.”
sunhat is a hat.
Sun plus hat; the compound is recorded from the nineteenth century, when wide brims were ordinary wear.
From sun + hat.
Etymology from Wiktionary, CC BY-SA
Practised in Clothes & Fashion