Definition of "quad" []

• A quadrangle: cadets forming up in the barracks quad. (noun)
• Printing See quadrat. (noun)
• Informal Quadruple. (adjective)
• A quadruplet. (noun)
• Quadraphonic. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Things will slowly return to normal on campus -- the TP on the quad is already disintegrating from the rain this weekend, and the world of college life will go on as the freshmen come to campus in a few weeks."
• "To skating fans, seeing a quad is as exciting as a Hail Mary, a walk-off grand slam or a hole in one."
• "And then his great vision, but his great failure, was in introducing what he called a quad plan, which was breaking up this somewhat amorphous college where the students didn't know each other so well anymore and where they were distracted by extracurricular affairs and living off the campus and so on, by organizing separate colleges which later Harvard took up in the house plan in the college plan house plan, and Yale took up in the college plan."