'Handwheel' definitions:
Definition of 'handwheel'
From: WordNet
noun
A wheel worked by hand
noun
Control consisting of a wheel whose rim serves as the handle by which a part is operated
Definition of 'Handwheel'
From: GCIDE
- Handwheel \Hand"wheel`\ (-hw[=e]l), n. (Mach.) Any wheel worked by hand; esp., one the rim of which serves as the handle by which a valve, car brake, or other part is adjusted. [1913 Webster]