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Jackknife
01
a dive in which the diver bends to touch the ankles before straightening out
Grammatical Information
Animacy status
Abstract
Composition
Compound
Countable
Plural form
jackknifes
02
a large knife with one or more folding blades
to jackknife
01
contrary to rule or accepted order or general practice
Grammatical Information
Composition
Simple
Action verb
Regular
Present tense
jackknife
3rd person singular
jackknifes
Present participle
jackknifing
Past simple
jackknifed
Past participle
jackknifed
02
dive into the water bending the body at the waist at a right angle, like a jackknife
03
(of articulated vehicles such as tractor trailer) to experience a loss of control where the front and rear parts of the vehicle fold together
Lexical Tree
jackknife
jack
knife
