1. A fireworks device in the form of a revolving wheel of colored fire
2. A toy consisting of lightweight vanes that revolve at the end of a stick
3. Something (as a galaxy) shaped like a pinwheel
Sinonimi: sprocket wheel
ETYM Etymology uncertain.
1. Has teeth on the rims to pull film or paper through.
2. Thin wheel with teeth that engage with a chain; SYN. sprocket wheel.