Head (noun)

1. The upper part of the body in humans and animals that contains the brain, mouth, and eyes.
2. A person who is in charge of an organization, business, or department.
3. The front or top part of something.

Origin:

Old english 'heafod' meaning head, chief, top, from germanic 'haubudam' meaning head, top.

Examples:

1. She rubbed her head.
2. He is the head of the company.
3. The head of the bed.
4. She is the head of the family.
5. The head of the river.