buttonedge
nounUK /ˈbʌtənɛdʒ/
US /ˈbʌtənɛdʒ/
The edge of a button where it is sewn or attached.
She held the buttonedge tightly so the thread would not slip.
OTHER MEANINGS
2. The raised rim around a button's face that keeps thread from wearing through.
The buttonedge was worn smooth after years of use.
3. A decorative border stitched along the edge of a garment opening.
The tailor added a buttonedge to the jacket's front.
4. The thin outer line of a button-shaped object or badge.
A silver buttonedge framed the enamel pin.