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: a shaft driven by or driving a crank
: a shaft consisting of a series of cranks and crankpins to which the connecting rods of an engine are attached
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These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crankshaft.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
1854, in the meaning defined at sense 1
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11 Dec 2018
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More Definitions for crankshaft
: a long metal piece that connects a vehicle's engine to the wheels and helps turn them
See the full definition for crankshaft in the English Language Learners Dictionary
More from Merriam-Webster on crankshaft
Rhyming Dictionary: Words that rhyme with crankshaft
Britannica.com: Encyclopedia article about crankshaft
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a soft lustrous wool fabric with mohair
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