jack-knife
suomi-englanti sanakirjajack-knife englanniksi
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The front-dive pike, in which the body folds and unfolds.
A semi-trailer truck accident in which the vehicle mimics the closing of a jack-knife.
(alternative spelling of)
{{quote-book|en|year=2009|author=Reif Larsen|title=The Selected Works of T.S. Spivet|publisher=Pinguin Books|page=37
To cause a semi-trailer truck to fold like a jackknife in a traffic accident.
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