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The Collaborative International Dictionary
Catherine-wheel window

Catherine wheel \Cath"er*ine wheel`\ [So called from St. Catherine of Alexandria, who is represented with a wheel, in allusion to her martyrdom.]

  1. (Geoth.Arth.) Same as Rose window and Wheel window. Called also Catherine-wheel window.

  2. (Pyrotechny) A revolving piece of fireworks resembling in form the window of the same name. [Written also Catharine wheel.]