Silverfish (noun)

1. A small, wingless insect that is typically silver or grey in color and has a long, slender body.
2. A common household pest that feeds on cellulose and can cause damage to books, paper, and fabrics.

Origin:

From the appearance of the insect, which is covered with silvery scales.

Examples:

1. The silverfish scurried across the floor.
2. I found a silverfish in my cereal box this morning.
3. The exterminator came to get rid of the silverfish infestation in our attic.
4. These silverfish are attracted to damp environments.
5. I had to throw away a lot of my books because of the silverfish damage.