[firework] The Catherine wheel (Catharine wheel, pinwheel, trumpilyo in the Philippines) is a type of firework consisting of a powder-filled spiral tube, or an angled rocket mounted with a pin through its centre. When ignited, it rotates quickly, producing a display of sparks and coloured flame. In Malta, Catherine wheels are very popular, ... Found on http://en.wikipedia.org/wiki/Catherine_wheel_(firework)
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... Found on http://www.encyclo.co.uk/webster/C/37