catherine 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. [ 1913 Webster ]

2. (Pyrotechny) A revolving piece of fireworks resembling in form the window of the same name. [ Written also Catharine wheel. ] [ 1913 Webster ]