jackknife

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jackknife

1. a knife with the blade pivoted to fold into a recess in the handle
2. 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
References in periodicals archive ?
However, John Bailey and Cheryl Riley, Johnson's attorneys, showed the jury films of GM crash tests conducted in 1968, or 10 years earlier, in which occupants jackknifed over the lap-only belts and also showed footage of occupants adequately restrained by lap-shoulder belts.
Pips and Jackknifed Caravans at Pot At The Blue Bell, catch Two Sick Steves at their Sick Steves at their At The Blue Bell, catch wo ve TNew Year's Eve party.
On the M6 motorway a lorry jackknifed on the southbound carriageway at Haydock at around 4.
Veksler told investigators he was traveling at 50 mph when he saw brake lights ahead on the transition road, hit his brakes, veered into the bridge railing to his left, then skidded till he jackknifed across both lanes, according to the CHP report.
The couples danced more at each other than with each other until the women finally jackknifed straight into the men.
A JACKKNIFED lorry forced a road to close for more than 10 hours.
The fuel tanker jackknifed on black ice on a bridge over Loch Faskally in Perthshire shortly after midnight, causing the cab to hit a parapet, break off and plummet 40ft with him still inside.
The lorry jackknifed, hitting an empty oil tanker and a car, on the northbound carriageway at around 11.
DRIVERS faced rush-hour misery after a lorry jackknifed on the M1 near Rugby.
It appears one big rig jackknifed and caused the other five big rigs to basically collide into each other,'' said California Highway Patrol Officer Vince Ramirez.
GOSHEN - A jackknifed semitruck slowed northbound traffic on Interstate 5 Wednesday evening, and hampered traffic trying to get on and off the highway.
This remove can give the dancers an organic, Oriental sensibility, especially evident in the splendid punctuation marks with which Martins closes each of his sets: in one, a dancer is sleekly jackknifed closed by her partner in midair, like a lily closing at evening; in another, a soloist's limbs spray gracefully akimbo, like a praying mantis, as she is flown off stage.