PINWHEEL

pinwheel, pinwheel wind collector

(noun) 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

pinwheel

(noun) 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’”

pinwheel, Aeonium haworthii

(noun) perennial subshrub of Tenerife having leaves in rosettes resembling pinwheels

Source: WordNet® 3.1

Etymology

Noun

pinwheel (plural pinwheels)

An artificial flower with a stem, usually plastic, for children: the flower spins round in the wind, like a small paper windmill.

A firework which forms a kind of spinning wheel.

A cogged (toothed) gear.

A pastry which resembles the artificial flowers above, with some filling or topping in the center.

Any food product consisting of layers (for example of pastry and sweet filling, or of bread and meat) rolled into a spiral, visually similar to a cinnamon roll.

Verb

pinwheel (third-person singular simple present pinwheels, present participle pinwheeling, simple past and past participle pinwheeled)

To spin.

Source: Wiktionary