Zipper/ˈzɪpər/ Definition 1 of 2Pro Tip 1/3Clothing Commonly Zipper is most commonly used in clothing items like jackets, pants, and dresses. Could you help me with the zipper on my dress? Pro Tip 2/3Unexpected Use Besides clothing, zippers can also be found in luggage or furniture like couch covers. The zipper on this suitcase is really sturdy. Pro Tip 3/3Broken Zipper Fix When a zipper 'broke,' it usually means it's stuck or won't close. Sometimes it can be fixed. I can't wear these jeans until I fix the broken zipper.