dunce cap

US /ˈdʌns kæp/
UK /ˈdʌns kæp/
"dunce cap" picture
1.

gorro de burro, gorro de tonto

a conical hat, typically made of paper and inscribed with the word 'dunce', formerly worn as a punishment by children who had been slow to learn or misbehaved in school

:
In old cartoons, disobedient students were often made to wear a dunce cap.
En los dibujos animados antiguos, a menudo se obligaba a los estudiantes desobedientes a usar un gorro de burro.
The teacher threatened to make him wear a dunce cap if he didn't pay attention.
El maestro amenazó con hacerle usar un gorro de burro si no prestaba atención.