( n. )
A spiral cam, or a flat piece of metal of spirally curved outline, used for giving motion to, or changing the position of, another part, as the hammer tail of a striking clock.
( n. )
A spiral cam, or a flat piece of metal of spirally curved outline, used for giving motion to, or changing the position of, another part, as the hammer tail of a striking clock.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012