jackknife

1 a large knife with one or more folding blades [syn: clasp knife]

2 a dive in which the diver bends to touch the ankles before straightening out v : dive into the water bending the body at the waist at a right angle, like a jackknife [also: jackknives (pl)]

English

Noun

Verb

Jackknife may refer to:

• Jackknife, pocket knife

• Jacknife, 1989 American film
• Jackknife, jackknife hold, a pinning move in wrestling
• Jackknife, kicking move involving 540-degree rotation

• Jackknife, resampling technique in statistics

• Jackknife, jackknife clam

See also

• Jackknifing, complication in vehicular towing
• The Jack-Knife Man, a 1920 film

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