Words nearby jackknife
jackfruit,
jackhammer,
jackie,
jackie tar,
jacking engine,
jackknife,
jackknife-fish,
jackleg,
jacklight,
jacklighter,
jacklin
Example sentences from the Web for jack-knife
British Dictionary definitions for jack-knife
jackknife
/ (ˈdʒækˌnaɪf) /
noun plural -knives
a knife with the blade pivoted to fold into a recess in the handle
a former name for a type of dive in which the diver bends at the waist in midair, with his legs straight and his hands touching his feet, finally straightening out and entering the water headfirst: forward pike dive
verb (intr)
(of an articulated lorry) to go out of control in such a way that the trailer swings round at an angle to the cab
to make a jackknife dive