Jackknife Meaning

There are 3 meaning(s) for word Jackknife

Jackknife Meaning 1 : a large knife with one or more folding blades

    Synonyms : clasp knife
Jackknife Meaning 2 : a dive in which the diver bends to touch the ankles before straightening out

Jackknife Meaning 3 : dive into the water bending the body at the waist at a right angle, like a jackknife