Definition, Meaning & Synonyms
jackknife
noun
/ˈdʒæk.naɪf/
Definition
A type of folding knife that has one or more blades that can be folded into the handle.
Examples
- He used a jackknife to whittle a piece of wood.
- The chef pulled out a jackknife for his outdoor cooking.
- She quickly opened her jackknife when she needed a tool.
Meaning
The term ‘jackknife’ refers not only to the knife itself but also to actions resembling the knife’s folding mechanism.
Synonyms
- folding knife
- pocket knife
- multi-tool