crankshaft

USKRANK-shaft/ˈkɹæŋkˌʃæft/UKKRANK-shahft/ˈkɹæŋkʃɑːft/

2 meanings of crankshaft

1
nouncountable
A turning rod with parts that stick out, which turns a crank, is turned by one, or works as one.
The car would not start because the crankshaft was broken.
The old tractor has a heavy iron crankshaft.

2
verb
To deform in such a manner that part of the rod or bolt is displaced sideways, offset from the longitudinal axis of the part, but remains parallel with the part's main longitudinal axis, with the final shape somewhat resembling a crankshaft.

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Made from the words crank and shaft.