1. A toy consisting of vanes of colored paper or plastic pinned to a stick so that they revolve when blown on.
2. A firework that forms a rotating wheel of colored flames. also called catherine wheel.
3. A wheel with a circle of pins at right angles to its face, used as a tripping device.

1. a fake flower with the stump, usually in plastic, for children; the flower spins round in the wind.
2. a firework which forms a kind of spinning wheel
3. A cogged (toothed) gear.
4. to spin.

1. in tanning, to subject to the action of the pinwheel.
2. A contrate wheel in which the cogs are pins set into the disk.
3. in tanning, a stout circular box containing warm water or water and melted tallow, in which hides are rolled about over strong wooden pins fastened to the inner circumference of the box.
4. A kind of firework, consisting of a long paper case filled with a combustible composition and wound spirally about a disk of pasteboard or wood. when it is supported vertically on a pivot, and ignited, it revolves rapidly, forming a wheel of fire.

1. a toy consisting of vanes of colored paper or plastic that is pinned to a stick and spins when it is pointed into the wind
2. a wheel that has numerous pins that are set at right angles to its rim
3. perennial subshrub of Tenerife having leaves in rosettes resembling pinwheels
4. a circular firework that spins round and round emitting colored fire