Definition of Jackknife

1. Verb. Dive into the water bending the body at the waist at a right angle, like a jackknife.

Category relationships: Athletics, Sport
Generic synonyms: Dive

2. Noun. A large knife with one or more folding blades.
Exact synonyms: Clasp Knife
Generic synonyms: Pocket Knife, Pocketknife

3. Noun. A dive in which the diver bends to touch the ankles before straightening out.
Generic synonyms: Dive, Diving

Definition of Jackknife

1. n. A large, strong clasp knife for the pocket; a pocket knife.

Definition of Jackknife

1. Noun. (alternative spelling of jack-knife) ¹

2. Noun. (statistics) A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate. ¹

3. Verb. (alternative spelling of jack-knife) ¹

¹ Source: wiktionary.com

Definition of Jackknife

1. [v -KNIFED, -KNIFING, -KNIFES] / [n -KNIVES]

Lexicographical Neighbors of Jackknife

jackfish
jackfishes
jackfruit
jackfruit tree
jackfruits
jackhammer
jackhammered
jackhammering
jackhammers
jackhole
jackholes
jackies
jacking
jacking off
jacking up
jackknife (current term)
jackknife-fish
jackknife clam
jackknifed
jackknifes
jackknifing
jackknives
jackleg
jacklegs
jacklight
jacklighted
jacklighting
jacklights
jackman
jackmen

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