"pinwheel" in the noun sense
1. pinwheel, Aeonium haworthii
perennial subshrub of Tenerife having leaves in rosettes resembling pinwheels
2. pinwheel
a wheel that has numerous pins that are set at right angles to its rim
"he spun the pinwheel and it stopped with the pointer on `Go'"
3. pinwheel, pinwheel wind collector
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
4. catherine wheel, pinwheel
a circular firework that spins round and round emitting colored fire
Source: WordNet® (An amazing lexical database of English)
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