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.]
(Geoth.Arth.) Same as Rose window and Wheel window. Called also Catherine-wheel window.
(Pyrotechny) A revolving piece of fireworks resembling in form the window of the same name. [Written also Catharine wheel.]