: the area and buildings around a university, college, school, etc.
Visitors crowded the campus on graduation day.
Rallies were held on college/university campuses across the country
We walked around the campus on our first day.
How do you like living on campus? [=in the dormitories/housing provided by the school]
She prefers living off campus. [=she prefers not living in the dormitories/housing provided by the school]
US, somewhat old-fashioned
The quarterback of the football team is a real big man on campus. [=he is important and well known]
— often used before another noun