What is another word for jackknife?
Pronunciation: [d͡ʒˈakna͡ɪf] (IPA) 
A jackknife is a dangerous move in diving, but it also has various synonym terms. For instance, it's called a front flip or a swan dive. Some other synonyms are dive tuck, heel over, and whirlybird. These terms are commonly used in sports like gymnastics, diving, and freestyle skiing. A jackknife is an excellent diving maneuver where the body is hinged at the waist with the legs, and the head is pulled towards the knees before springing back up. Overall, the synonym terms for jackknife describe different variations of this move, used in various sports and art forms.
