[
UK
/dʒˈæknaɪf/
]
NOUN
- a large knife with one or more folding blades
- a dive in which the diver bends to touch the ankles before straightening out
VERB
- dive into the water bending the body at the waist at a right angle, like a jackknife
How To Use jackknife In A Sentence
- The shorter girl snarled her frustration and lunged after him with her jackknife, tearing a horizontal gash in his right pant leg.
- Part of Interstate 81 near Syracuse, N.Y., closed when tractor-trailers jackknifed on an icy uphill stretch. Ferocious winter storm shocks Northeast with snow, floods
- Rollo proffered his jackknife, but Conrad ignored him, finally freeing the woman from the clutches of the seine. AMAGANSETT
- They were sitting in front of the fire house drinking beer when the tractor trailer jackknifed through the guardrail. Lloyd
- The creature drew her front legs together, folding them like a jackknife. MINUTES TO BURN
- We used the jackknife version of cross-validation, where the training set consists of the complete network minus a single specified edge.
- Students then jackknife their legs even closer to their bodies to the rhythm of a driving beat.
- Further work might include the more accurate estimation of distribution of our estimator, using bootstrap or jackknife techniques.
- I travel with a teeny tiny jackknife/scissors combo for just that kind of exigency, which I would like to have you know was CONFISCATED JUST TODAY AT CHICAGO O'HARE AIRPORT. The Prairie Babe School
- I jackknife up in bed, peer out.