jackknife meaning

UK US

jackknife (noun): a large knife with one or more folding blades.

jackknife has 3 meanings in this dictionary, as noun and verb.

jackknife as a noun

  1. a large knife with one or more folding blades

    Synonyms: clasp knife

    Type of: pocketknife

  2. a dive in which the diver bends to touch the ankles before straightening out

    Type of: dive

jackknife as a verb

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

    Type of: dive

Word lists: words starting with JA · words ending in FE · 9-letter words

More about jackknife on Wikipedia.