Woodruff key

noun

, Machinery.

1. a key having the form of a nearly semicircular disk fitting into a recess in a shaft.

Woodruff key

/ ˈwʊdrʌf /

noun

1. a semicircular key restrained in a curved keyway in a shaft

Word History and Origins

Origin of Woodruff key¹

Apparently after the proper name

Word History and Origins

Origin of Woodruff key¹

C19: named after the Woodruff Manufacturing Co , in Hartford, Connecticut, who first manufactured it in 1892