jackknife US
ˈʤækˌnaɪf
jackknives
Definition Synonyms Conjugation

Definition of jackknife - Reverso English Dictionary

Noun

1.
toolUSfolding pocket knife with one or more bladesUS
  • He used his jackknife to cut the rope..
folding knife penknife pocketknife
2.
divingUSdive bending at the waistUS
  • She performed a perfect jackknife off the board.
dive pike
3.
mathematicsTECH.USresampling method in statisticsTECH.US
  • The jackknife was used to estimate the variance.
bootstrap

Verb

intr.
1.
transportationUSlose control causing the trailer to swingUS
  • The truck jackknifed on the icy road.
skid swerve zigzag
2.
sportsUSperform a dive bending at the waistUS
  • She jackknifed into the pool gracefully.
dive plunge somersault
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Images of jackknife

  • jackknife: folding pocket knife with one or more blades
    folding pocket knife with one or more blades

Expressions with jackknife

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marine shellfish with a long narrow shell
The jackknife clam buries itself in the sand.
black-and-white fish with a long dorsal fin
The jackknife-fish swam gracefully through the coral reef.

Origin of jackknife

English, jack (man) + knife (blade)

Terms with jackknife included in their meaning

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marine life
Atlantic jackknife clam with long curved shell
movement
bending or doubling over like a jackknife

Examples of jackknife in a sentence

  • The jackknife was a gift from his grandfather.
  • The jackknife was her signature move in competitions.
  • He attempted a jackknife but lost his balance.
  • Researchers applied the jackknife to refine their model.
  • The jackknife method improved the accuracy of the results.
  • The driver jackknifed during the sudden storm.

View all translations of jackknife

Click below to see the appropriate translations facing each meaning.
  1. French:canif, déraper, ...
  2. German:Taschenmesser, schleudern, ...
  3. Italian:coltellino tascabile, sbandare, ...
  4. Spanish:navaja, descontrolarse, ...
  5. Portuguese:canivete, descontrolar-se, ...
  6. Chinese:折叠刀, 失控打滑, ...
  7. Japanese:折りたたみナイフ, ジャックナイフ現象を起こす, ...
  8. Arabic:سكين جيب, اِنْحَرَفَ, ...
  9. Hebrew:אוֹלָר, לְהִתְקַפֵּל, ...
  10. Russian:складной нож, заносить, ...
  11. Ukrainian:складаний ніж, заносити, ...
  12. Hindi:जेब चाकू, अनियंत्रित होना, ...
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