1. devices or mechanisms used to attach, secure, or close something
Usage: plural form of fastening

Examples

• The dress had delicate pearl fastenings down the back.
• Check all the fastenings on your backpack before hiking.
• The tent’s fastenings came loose during the storm.
• She struggled with the tiny fastenings on her jewelry box.
• The carpenter used various fastenings to secure the wooden panels.
• The coat’s fastenings were made of polished brass.
• Make sure all window fastenings are locked before leaving.