Wordnet 3.0
NOUN (2)
1.
a wheel worked by hand;
2.
control consisting of a wheel whose rim serves as the handle by which a part is operated;
The Collaborative International Dictionary of English v.0.48:
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]
WordNet (r) 3.0 (2006):
handwheel
n 1: a wheel worked by hand
2: control consisting of a wheel whose rim serves as the handle
by which a part is operated