dunce hat en · NOUN
Meanings
- (historical) A conical hat that a school pupil is made to wear to indicate that he/she is a dunce.
- The topological space obtained by identifying the sides comprising the boundary of a triangle, two sides with consistent orientation and the third with the reverse orientation.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| dunce hats | Number=Plur | lexicographic |
Synonyms
dunce cap (both senses)