I. ˈ ̷ ̷ˌ ̷ ̷ noun
Usage: often attributive
Etymology: pin (I) + wheel, n.
1. : a contrate gear wheel in which the teeth are cylindrical pins
2.
a. : a toy consisting of lightweight vanes (as of paper or plastic) attached loosely to the end of a stick so that they revolve in a breeze
b. : a fireworks device in the form of a small wheel which when the fuse is lighted is made to spin by spouts of colored fire that shoot out tangentially at various points on the wheel
3. : a revolvable cylindrical box with pins on its inner surface used for washing and softening hides in warm water or other liquid
II. transitive verb
: to wash and soften (hides) in a pinwheel
intransitive verb
: to revolve rapidly in the manner of a pinwheel
III. noun
: something (as a galaxy) shaped like a pinwheel