What does jack-knife mean?
Definitions for jack-knife
jack-knife
This dictionary definitions page includes all the possible meanings, example usage and translations of the word jack-knife.
Did you actually mean jackknife or jacksnipe?
Wiktionary
jack-knifenoun
A compact folding knife.
He kept a jack-knife in his pocket for various tasks.
jack-knifenoun
The front-dive pike, in which the body folds and unfolds.
It took me hundreds of dives to master even the simple jackknife
jack-knifeverb
To fold in the middle, as a jackknife does.
The cat jackknifed in the air and landed gracefully on its feet.
jack-knifeverb
To cause a semi-trailer truck to fold like a jackknife in a traffic accident.
Dictionary of Nautical Terms
jack-knife
A horn-handled clasp-knife with a laniard, worn by seamen.
Etymology and Origins
Jack-knife
The name formerly given to a large folding pocket-knife, and now used by sailors, in contradistinction to a “Penknife.” See “Jack Tar.”
Numerology
Chaldean Numerology
The numerical value of jack-knife in Chaldean Numerology is: 1
Pythagorean Numerology
The numerical value of jack-knife in Pythagorean Numerology is: 7
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"jack-knife." Definitions.net. STANDS4 LLC, 2024. Web. 19 Mar. 2024. <https://www.definitions.net/definition/jack-knife>.
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