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The meaning of JACKKNIFE is a large strong pocketknife. How to use jackknife in a sentence.
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What does jackknife mean?
What does jackknifed mean?
What does Jacknife mean?
a dive (= jump into water, with your head and arms going in first) in which the diver, while in the air, bends from the waist to touch the toes without bending the legs, and then becomes straight again: She climbed up to the board again and attempted a very clumsy jackknife.
noun. a knife with the blade pivoted to fold into a recess in the handle. a former name for a type of dive in which the diver bends at the waist in midair, with his legs straight and his hands touching his feet, finally straightening out and entering the water headfirst: forward pike dive.
1. a large pocketknife. 2. Diving. a dive in which the diver bends in midair to touch the toes, keeping the legs straight, and then straightens out. intransitive verb. 3. to bend or double over like a jackknife. The fighter jackknifed and fell when he was hit in the stomach.
A knife with a blade that folds closed is called a jackknife. Most jackknives are compact enough to fit in a pocket, but we don't suggest your taking one to school. Another name for a jackknife is a pocketknife.
Factsheet. What does the noun jackknife mean? There are four meanings listed in OED's entry for the noun jackknife. See ‘Meaning & use’ for definitions, usage, and quotation evidence. jackknife has developed meanings and uses in subjects including. diving (1900s) motoring (1920s) statistics (1960s) See meaning & use.
Definitions of 'jackknife'. 1. a knife with the blade pivoted to fold into a recess in the handle. [...] 2. a former name for a type of dive in which the diver bends at the waist in midair, with the legs straight and the hands touching the feet, finally straightening out and entering the water headfirst; forward pike dive. [...]
