Wart (noun)

A small, hard, benign growth on the skin, caused by a viral infection.

Origin:

The word wart is derived from the old english word "wearte" which means a lump or bump on the skin.

Examples:

1. I have a wart on my finger that I've been trying to get rid of.
2. Warts are caused by the human papillomavirus (HPV).
3. The wart was unsightly, but not painful.
4. She had a wart on her nose that made her self-conscious.
5. Many over-the-counter creams can be used to treat warts.