Definitions for "Jackknife"
a complex resampling technique designed to estimate statistical significance accurately from data in surveys such as the NAEP that employ a complex sampling methodology
a complex resampling technique that is designed to accurately estimate statistical significance from surveys such as the NAEP that employ a complex sampling methodology
An extreme turning manuever that risks damage to the tow vehicle and the trailer when the trailer tongue or body swings into the contact with the tow vehicle. Jackknife accidents usually occur while backing up.
Placing the tractor/trailer at a very sharp angle resulting from lock-up of tractor drive axle(s).
To place the trailer at a very sharp angle to the tractor.
Keywords:  jacko, jackms
Jackms Jacko
a dive in which the diver bends to touch the ankles before straightening out
dive into the water bending the body at the waist at a right angle, like a jackknife
Keywords:  knife, clasp, blades, pocket, folding
A large, strong clasp knife for the pocket; a pocket knife.
a large knife with one or more folding blades
Keywords:  ejects
a that ejects out at