Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: jackknife (jackknives)  'jak,nIf
  1. A large knife with one or more folding blades
    - clasp knife
     
  2. A dive in which the diver bends to touch the ankles before straightening out
Verb: jackknife  'jak,nIf
  1. (sport) dive into the water bending the body at the waist at a right angle, like a jackknife

Derived forms: jackknifes, jackknifed, jackknifing, jackknives

Type of: dive, pocket knife, pocketknife

Encyclopedia: Jackknife

Nearest

jacket crown
jacket potato
jackfish
jackfruit
jackfruit tree
jackhammer
Jackie Robinson
jacking off
jack-in-the-box
jack-in-the-pulpit
jackknife
jackknife clam
jackknife-fish
jackleg
jacklight
jack-o'-lantern
jack-o-lantern
jack-o-lantern fungus
jackpot
jackrabbit
jacks