JACKKNIFE as NOUN

1. Meaning
   • a dive in which the diver bends to touch the ankles before straightening out
   
   Hypernyms(s) jackknife is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • dive (what does dive mean?)
   • diving (what does diving mean?)
   
   Derived(s)
   • jackknife (what does jackknife mean?)
2. Meaning
   • a large knife with one or more folding blades
   
   Synonym(s)
   • clasp knife (what does clasp knife mean?)
   
   Hypernyms(s) jackknife is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • pocketknife (what does pocketknife mean?)
   • pocket knife (what does pocket knife mean?)

JACKKNIFE as VERB

1. Meaning
   • dive into the water bending the body at the waist at a right angle, like a jackknife
   
   Hypernyms(s) jackknife is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • dive (what does dive mean?)
   
   Derived(s)
   • jackknife (what does jackknife mean?)