pinwheel

noun

1. An artificial flower with a stem, usually plastic, for children: the flower spins round in the wind, like a small paper windmill.
2. A firework which forms a kind of spinning wheel.

   “The sun blazing late in the afternoon, this long hilarious day like a pinwheel inexhaustibly throwing off sparks.”

3. A cogged (toothed) gear.
4. A pastry which resembles the artificial flowers above, with some filling or topping in the center.
5. 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

1. (ambitransitive)To spin.

   “The damaged fighter jet pinwheeled out of control, the g-forces pushing the pilot so hard he couldn't reach the ejection switch.”

   “Uncertainly, he stepped back, bumping into the short skirt of the seawall. He stumbled and pinwheeled his arms for balance.”

   “The laws of physics and chemistry transform a meadow of fine powder into a wreckage of icy chunks. Saugstad’s pinwheeling body would freeze into whatever position it was in the moment the snow stopped.”