Dictionary

crankshaft

noun crank·shaft \ˈkraŋk-ˌshaft\

: a long metal piece that connects a vehicle's engine to the wheels and helps turn them

Full Definition of CRANKSHAFT

1
:  a shaft driven by or driving a crank
2
:  a shaft consisting of a series of cranks and crankpins to which the connecting rods of an engine are attached

First Known Use of CRANKSHAFT

1854

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