buttonring
nounUK /ˈbʌtənrɪŋ/
US /ˈbʌtənrɪŋ/
A buttonring is a small ring that holds a button in place.
She sewed a buttonring onto the coat to keep the button from falling off.
OTHER MEANINGS
2. A ring-shaped tool used to press or shape buttons.
The tailor used a buttonring to mold the metal buttons.
3. A decorative ring worn on the finger that is shaped like a button.
He gave her a silver buttonring as a small gift.
4. A circular band that secures a button on a piece of clothing.
The buttonring on his shirt was loose, so he tightened it.