penknife
1 of 1noun/'pɛnnaɪf/
Forms:penknives
1
a small, foldable knife designed for general use, often carried in a pocket
- He used a penknife to sharpen his pencil.
- She always carries a penknife for small tasks.
- The old penknife had a wooden handle.
- He opened the package using a penknife.
- A penknife can be useful for outdoor activities.