jackknife
Translation
jackknife, clasp-knife, pocketknife
Examples
He always carries a jackknife in his pocket.
He always carries a jackknife in his pocket.
The truck did a jackknife on the icy road.
The lorry jack-knifed on the icy road.
Grammar Patterns
((a/one's)) jackknife a folding knife He carries a jackknife in his pocket.
Similar Words
pocketknife, penknife, clasp-knife
Etymology
From 'jack' (a common man's name, often used for tools) + 'knife'. Essentially, a common man's knife.
Memory Tips
Imagine a man named Jack who always carries this type of folding knife for various tasks.