English noun: jackknife | |||
1. | jackknife (artifact) a large knife with one or more folding blades | ||
Synonyms | clasp knife | ||
Broader (hypernym) | pocket knife, pocketknife | ||
2. | jackknife (act) a dive in which the diver bends to touch the ankles before straightening out | ||
Broader (hypernym) | dive, diving | ||
English verb: jackknife | |||
1. | jackknife (motion) dive into the water bending the body at the waist at a right angle, like a jackknife | ||
Pattern of use | Somebody ----s. Somebody ----s PP | ||
Broader (hypernym) | dive | ||
Domain category | athletics, sport | ||