jack-knife

Tanımlar (İngilizce)

1. isim A compact folding knife.

   “He kept a jack-knife in his pocket for various tasks.”

2. isim The front-dive pike, in which the body folds and unfolds.

   “It took me hundreds of dives to master even the simple jackknife.”

3. isim An abdominal exercise where knees and torso are raised from a lying position.
4. isim A semi-trailer truck accident in which the vehicle mimics the closing of a jack-knife.

   “I have seen several jack-knives along that dangerous stretch of road.”

5. isim A game of skill played with a pocket knife in which participants try to throw or flip the knife to stick upright in the ground at specified points or areas.

   “Over at the stable, the men joke and drink whiskey, talk crops and play jack-knife […]”

6. isim Alternative spelling of jackknife.
7. fiil To fold in the middle, as a jackknife does.

   “The cat jackknifed in the air and landed gracefully on its feet.”

8. fiil To cause a semi-trailer truck to fold like a jackknife in a traffic accident.

   “Before I knew what was happening, I'd jack-knifed the truck.”