Bald (adjective)

1. Having little or no hair on the scalp.
2. Lacking an expected or usual feature or covering.

Origin:

From the old english word "beald" meaning without hair.

Examples:

1. He is bald and shaves his head.
2. She has a bald spot on her head.
3. He has a bald eagle tattoo on his arm.
4. The tree is bald and has no leaves.
5. The tire is bald and needs to be replaced.