catherine wheel

noun

1. a firework that revolves on a pin, making a wheel of fire or sparks; pinwheel.
2. wheel window.

noun

1. Also called: pinwheel a type of firework consisting of a powder-filled spiral tube, mounted with a pin through its centre. When lit it rotates quickly, producing a display of sparks and coloured flame
2. a circular window having ribs radiating from the centre