viewingcap
nounUK /ˈvjuːɪŋkæp/
US /ˈvjuɪŋkæp/
A viewingcap is a little cap you wear to help you see things better.
He put on his viewingcap before looking at the stars.
RELATED WORDS
OTHER MEANINGS
2. A protective cover placed over a lens or screen to improve viewing.
The telescope's viewingcap kept dust off the glass.
3. A small cap or hood on an optical device that blocks glare.
She adjusted the viewingcap on the camera to cut the sunlight.
4. A cap worn to shade the eyes while watching something, such as a game or show.
Fans wore their team viewingcaps in the bright stadium.