Dictionary.net

used of a person in the first year of an experience (especially in United States high school or college); "a freshman senator"; "freshman year in high school or college"

used of a person in the first year of an experience (especially in United States high school or college); "a freshman senator"; "freshman year in high school or college"

A university student in his first year.

A college student in his first year.

n. A novice; it student during his first year’s residence at a college or university.