jack-knife
noun
Meaning
- A compact folding knife.
- 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.
- To fold in the middle, as a jackknife does.
- To cause a semi-trailer truck to fold like a jackknife in a traffic accident.
- 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.
Etymology / origin
No prose etymology has been added yet.
No ancestor words have been linked yet.
Related words
Descendant words
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