noun
Usage: usually capitalized W
Etymology: probably from the name Woodruff
: a shaft key made in the form of a segment of a disk and used with shafts not more than 2 1/2 inches in diameter
noun
Usage: usually capitalized W
Etymology: probably from the name Woodruff
: a shaft key made in the form of a segment of a disk and used with shafts not more than 2 1/2 inches in diameter
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012