fastener
noun /ˈfɑːsnə(r)/
/ˈfæsnər/
(also fastening)
- enlarge imagea device, such as a button or a zip, used to close a piece of clothing; a device used to close a window, bag, etc. tightly
- buttons, zippers and other fasteners
Oxford Collocations DictionaryFastener is used after these nouns:- zip