- The definition of a quad, short for quadrangle, is a large open area where people can gather, surrounded on four sides by buildings.
An example of a quad is a courtyard in a school.
The quad at a university.
quad definition by Webster's New World
- quadrangle (of a college)
Printing a piece of type metal lower than the face of the type, used for spacing, to fill blank lines, etc.
Origin: ; from quad(rat)
a unit of energy equal to one quadrillion Btu
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
quad definition by American Heritage Dictionary
A quadrangle: cadets forming up in the barracks quad.
adjective & n. Informal
A quadriceps muscle. Often used in the plural.