dunce hat

English

A child wearing a dunce hat

Noun

dunce hat (plural dunce hats)

1. (historical) A conical hat that a school pupil is made to wear to indicate that he/she is a dunce.
2. (topology) 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 cap

Further reading

• dunce hat on Wikipedia.Wikipedia

Anagrams

• chaunted, cunthead