jackknifes
jack-knifes
verb
Folds or bends suddenly and sharply, often referring to an articulated vehicle.
"The lorry jackknifes on the icy road."
Thesaurus
Synonyms: jackknife, clasp knife
jack-knifes
Folds or bends suddenly and sharply, often referring to an articulated vehicle.
"The lorry jackknifes on the icy road."
Synonyms: jackknife, clasp knife