Jackknife meaning

jăknīf
To bend or fold up like a jackknife.

A truck that had jackknifed was blocking the road.

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A large clasp knife.
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(sports) A dive in the pike position, in which the diver straightens out to enter the water hands first.
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To fold or double (something or oneself) like a jackknife.
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To cut or stab with a jackknife.
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To form a 90° angle.
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A large pocketknife.
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A dive in which the diver keeps his knees unbent, touches his feet with his hands, and then straightens out just before plunging into the water.
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To cut with a jackknife.
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To cause to jackknife.
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To bend at the middle as in a jackknife dive.
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To turn on its hitch so as to form a sharp angle.
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Alternative spelling of jack-knife.
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(statistics) A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate.
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Alternative spelling of jack-knife.
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