DictionaryAI

crankshaft

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

Pluralcrankshafts

2 meanings of crankshaft

Practice

  1. 1
    nouncountable
    A rotating shaft with throws, parts that stick out from it, which drives a crank, is turned by one, or itself works as a crank.

    Each piston is linked to the crankshaft by a connecting rod.

    The machine shop regrinds worn crankshafts for vintage engines.

Less common meaning

  1. 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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Origin

A compound of crank and shaft.