pinwheel

noun

1.
perennial subshrub of Tenerife having leaves in rosettes resembling pinwheels
2.
a wheel that has numerous pins that are set at right angles to its rim
3.
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.
a circular firework that spins round and round emitting colored fire