Undergrad (noun)

1. A student who is studying for a first degree at a college or university.
2. An undergraduate student.

Origin:

Early 20th century: blend of undergraduate and student.

Examples:

1. He was an undergrad at Harvard University.
2. The undergrad population at the university was large.
3. She was an undergrad in the school of engineering.
4. He was an undergrad in his final year of studies.
5. The undergrad program was challenging but rewarding.