dunce hat

Fetched 2026-10-26 (cache).

Synonyms: dunce cap

Antonyms: dunce cap

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|historical}} A [[conical]] hat that a school pupil is made to [[wear]] to indicate that he/she is a [[dunce]].
2. {{lb|en|topology}} The [[topological space]] obtained by [[identify]]ing the [[side]]s comprising the [[boundary]] of a [[triangle]], two sides with [[consistent]] [[orientation]] and the third with the [[reverse]] orientation.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.