- Quin is short for quintuplet, which is one offspring from a set of five from the same pregnancy.
An example of a quin is a puppy from a litter of five puppies.
Each of these puppies is a quin.
quin definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
quintuplet (sense )
quin definition by American Heritage Dictionary
Variant of quino-.