Meaning of pinwheel

Definition of pinwheel

(noun) perennial subshrub of Tenerife having leaves in rosettes resembling pinwheels
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'"
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
a circular firework that spins round and round emitting colored fire

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