noun
Etymology: probably from the name Welch
: a plug for sealing an unused end of an oil passage drilled through a hollow crankshaft, crank arm, or crankpin
noun
Etymology: probably from the name Welch
: a plug for sealing an unused end of an oil passage drilled through a hollow crankshaft, crank arm, or crankpin
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012