Boy (noun)

1. A male child or young man.
2. A man who is considered immature or ineffective.
3. A male servant or attendant.
4. A son or male child of any age.

Origin:

Middle english boi, boye, from old english *bōia, of germanic origin.

Examples:

1. The little boy was playing with his toys.
2. He was criticized for acting like a boy rather than a man.
3. The boy brought the drinks to the table.
4. The couple has a boy and a girl.
5. He was the youngest boy in his class.