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jackknife Definition

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jackknife
noun(jack-knife)
a large strong pocketknife
jackknife
noun(jack-knife)
a dive executed headfirst in which the diver bends from the waist and touches the ankles while holding the knees unbent and then straightens out
jackknife
verb(jack-knife)
to double up like a jackknife
jackknife
verb(jack-knife)
to turn and form an angle of 90 degrees or less with each other —used especially of a tractor-trailer combination
jackknife
verb(jack-knife)
to cause to double up like a jackknife

Words Related to jackknife!

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