Definitions

1. noun

A four-sided figure or a closed shape with four sides; a quadrilateral, especially an enclosed area such as a college or university courtyard or playing field.

“The students strolled through the quadrangle, enjoying the warm sunshine.”

2. verb

To form or become a quadrangle, especially as a result of collision or other forces.

“The two fragments quadrangled in mid-air before crashing to the ground.”