Hairdo (noun)

1. A particular style of arranging or cutting the hair.
2. A person's hairstyle.

Origin:

From hair + do, first attested in the early 20th century.

Examples:

1. She had a new hairdo for her wedding.
2. He had a trendy hairdo.
3. The hairdo was achieved using hair gel and hair spray.
4. The hairdo took a long time to do.
5. She was known for her elaborate hairdos.