English

A child wearing a dunce cap.

Noun

dunce cap ‎(plural dunce caps)

1. A conical hat one pupil is forced to wear to indicate he is a dunce.
2. 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.

Synonyms

• (both senses): dunce hat

Translations

External links

• dunce cap on Wikipedia.Wikipedia