The diver performed a perfect jackknife dive off the high platform.
jackknife position
Frequency:
60
%
The gymnast executed a flawless routine ending in a jackknife position.
jackknife truck
Frequency:
45
%
The jackknife truck blocked the entire highway, causing a major traffic jam.
Idiomatic Expressions for jackknife
Phrase: jackknife truck
Meaning: a type of truck that has a pivoting joint between the cab and the trailer, allowing for greater maneuverability
Usage: The delivery company uses jackknife trucks to navigate tight city streets.