Abbreviation of 私立大学. Used in contexts like university names, comparisons with national/public universities, and informal conversation.
See also: 私立大学
He went on to a private university.
Tuition fees differ greatly between private and national universities.
Abbreviation for 国立大学 (national university). Often contrasted with 私立大.
Abbreviation of 私立大学 (しりつだいがく), formed by dropping 学.