Pencil (noun)

1. A thin cylindrical stick of graphite or other material used for writing or drawing.
2. An implement for writing or drawing, consisting of a thin stick of graphite or other material encased in a cylindrical wooden, plastic or metal case.

Origin:

Late 16th century: from french pincel, diminutive of old french penon "brush", based on latin penicillus "paintbrush", from penis "tail".

Examples:

1. He wrote a letter with a pencil.
2. She drew a picture with a pencil.
3. The teacher gave the students pencils.
4. He sharpened the pencil with a sharpener.
5. She used a pencil to fill out the form.