button fastener
nounUK /ˈbʌtən ˈfɑːsənə/
US /ˈbʌtən ˈfæsənər/
A button fastener is a small thing that holds clothes together with a button.
She used a button fastener to close her coat.
RELATED WORDS
OTHER MEANINGS
2. A device or tool used to attach buttons to fabric.
The tailor used a button fastener to sew on the new buttons.
3. A small clip or pin that holds a button in place.
He lost the button fastener from his shirt cuff.
4. A decorative piece that looks like a button and fastens two parts together.
The bag had a shiny button fastener on its flap.