Sports A dive in pike place, when the diver straightens out to go into the liquid arms first.
Alternative spelling of jack-knife.
A resampling strategy that is applicable estimators to all or any subsamples that each omit one various team (perhaps of just one datapoint) of initial test to offer an example circulation of this estimate.
A large, powerful clasp knife the pocket; a pocket blade.
A pocket-knife larger than a penknife.
A horn-handled clasp-knife with a laniard, donned by seamen.
a type of terminal useful for making contacts in central telephone-stations. See jack, 11 .
a sizable blade with several folding blades
a dive where diver bends to touch the legs before straightening on