Jackknife Definition
jăknīf
jackknifed, jackknifes, jackknifing, jackknives
noun
jackknives
A large pocketknife.
Webster's New World
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.
Webster's New World
Alternative spelling of jack-knife.
Wiktionary
(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.
Wiktionary
Synonyms:
- clasp-knife
- Barlow knife
- case-knife
- pocketknife
verb
jackknifed, jackknifes, jackknifing
To fold or double (something or oneself) like a jackknife.
American Heritage
To cut with a jackknife.
Webster's New World
To bend at the middle as in a jackknife dive.
Webster's New World
To cause to jackknife.
Webster's New World
To turn on its hitch so as to form a sharp angle.
Webster's New World
Other Word Forms of Jackknife
Noun
Singular:
jackknifePlural:
jackknivesJackknife Is Also Mentioned In
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