Pinwheel

A pinwheel is a spinning children’s toy. Various other things which spin or have a similar shape have been given the name by analogy:

• Catherine wheel (firework), a form of pyrotechnic display device also known as a pinwheel
• Elegant pinwheel snail (Coenocharopa elegans), a land snail found in Queensland, Australia
• Pinwheel calculator (part of), a type of early mechanical arithmetic machine
• Pinwheel (cryptography), a device for producing a short pseudo-random sequence of bits
• Pinwheel Galaxy (astronomy)
• Pinwheel (shogi), an opening in the game shogi or Japanese chess
• Pinwheel tilings, aperiodic tilings of the plane whose tiles appear in infinitely many orientations
• Pinwheel (TV channel), a channel which would later turn into Nickelodeon
• Pinwheel (TV series), a children's show on Nickelodeon that ran from 1977 to 1984
• "Pinwheels", a poem by Patti Smith from her 1978 book Babel
• The Pinwheel Region, part of United Synagogue Youth covering the Pacific Northwest
• The Wartenberg wheel, a neurological medical device
• A type of wrap cut into pieces