Penknife (noun)

A small folding knife, typically used for cutting paper, leather, or other soft materials.

Origin:

Derived from the old english word 'pennacnif', meaning 'pen knife'.

Examples:

1. A penknife is a versatile tool that can be used for a variety of purposes, from opening packages to carving wood.
2. Many people carry a penknife as a handy tool for everyday use, as well as for outdoor activities like camping and fishing.
3. Penknives are often made with a variety of blades and other tools, such as a saw, can opener, or scissors.
4. The popularity of penknives has led to a wide range of styles and designs, from traditional pocket knives to modern multi-tools.
5. Penknives are often given as gifts, and can be engraved with personal messages or monograms, making them a sentimental keepsake.