Woodruff key
noun Machinery.
a key having the form of a nearly semicircular disk fitting into a recess in a shaft.
Origin of Woodruff key
apparently after the proper name
British Dictionary definitions for woodruff key
Woodruff key
/ (ˈwʊdrʌf) /
noun engineering
a semicircular key restrained in a curved keyway in a shaft
Word Origin for Woodruff key
C19: named after the
Woodruff Manufacturing Co, in Hartford, Connecticut, who first manufactured it in 1892