What is Two Dickinson Street Co-op?

Legal Definition
The Two Dickinson Street Co-op, or 2D, is one of the three student dining co-ops at Princeton University in Princeton, New Jersey. 2D is a 50-member vegetarian (and vegan-friendly) cooperative located across the street from the Princeton University campus.

2D is an alternative to the eating clubs, which constitute the most commonly selected eating option for upperclassmen at Princeton University. Unusual for independent dining co-ops, it is based in a university-managed housing.
-- Wikipedia