dunce cap

dunce cap
a) A conical hat one is forced to wear to indicate he is a dunce.
b) 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.

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  • dunce cap — n. a cone shaped hat that children slow at learning were formerly forced to wear in school …   English World dictionary

  • Dunce cap — For the topological space, see Dunce hat (topology). A young boy wearing a dunce cap in class, from a staged photo c.1906 A dunce cap, also variously known as a dunce hat, dunce s cap, or dunce s hat, is a pointed hat. In popular culture, it is… …   Wikipedia

  • dunce cap — noun a cone shaped paper hat formerly placed on the head of slow or lazy pupils • Syn: ↑dunce s cap, ↑fool s cap • Hypernyms: ↑hat, ↑chapeau, ↑lid * * * noun or …   Useful english dictionary

  • dunce cap — dunce′ (or dunce′ s) cap n. a tall cone shaped hat formerly worn by slow or lazy students as a punishment Also called fool s cap Etymology: 1830–40 …   From formal English to slang

  • dunce cap — noun Date: 1840 a conical cap formerly used as a punishment for slow learners at school called also dunce s cap …   New Collegiate Dictionary

  • dunce cap — a tall, cone shaped hat formerly worn by slow or lazy students as a punishment in school. Also, dunce s cap. Also called fool s cap. [1830 40] * * * …   Universalium

  • dunce cap — tall conical hat once worn by poor or lazy students as punishment …   English contemporary dictionary

  • dunce's cap — noun a cone shaped paper hat formerly placed on the head of slow or lazy pupils • Syn: ↑dunce cap, ↑fool s cap • Hypernyms: ↑hat, ↑chapeau, ↑lid * * * noun see dunce cap * * * …   Useful english dictionary

  • Dunce hat (topology) — For the item of clothing designed to be humiliating, now rarely used, see dunce cap. To get a dunce hat, take a solid triangle and successively glue together all three sides with the indicated orientation. In topology, the dunce hat is a compact… …   Wikipedia

  • Dunce — A dunce is a person incapable of learning. The word is derived from the name of the great Scholastic theologian and philosopher John Duns Scotus, also referred to as Doctor Subtillis, or Subtle Doctor , whose works on logic, theology and… …   Wikipedia

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