Bachelor (noun)

1. A man who has never been married.
2. A man who holds an undergraduate degree from a college or university.

Origin:

Middle english bacheler, from anglo-french, from latin baccalarius, from baccalarius, "farmer, tenant, servant," from bacca "baculum" "rod, staff".

Examples:

1. I'm a bachelor and I plan to stay that way.
2. He is a wealthy bachelor who enjoys the company of beautiful women.
3. The bachelor of science in computer science.
4. The Bachelor of Arts degree in English.
5. He graduated with a Bachelor of Business Administration from the University of Texas.