1. a quadrangle; a rectangular courtyard surrounded by buildings, especially at a college or university
2. one of four children born at the same birth
3. a four-wheeled all-terrain vehicle
Usage: informal

1. having four parts or elements

Examples

• Students gathered in the quad between classes.
• The university’s main quad was lined with historic brick buildings.
• The couple was surprised to learn they were expecting quads.
• He rode his quad through the muddy trails.
• She injured her quad during the marathon.
• The quad camera system takes excellent photos.
• They met at the campus quad for lunch.