buttoncase

noun
UK /ˈbʌtənkeɪs/
US /ˈbʌtənkeɪs/

A buttoncase is a small box or case where you keep buttons.

She opened the buttoncase to find a red button for her coat.


OTHER MEANINGS

2. A protective cover or casing for a push button or switch.

The elevator's buttoncase was scratched from years of use.

3. A display case used by collectors to show decorative buttons.

The museum kept the antique military buttons in a glass buttoncase.

4. A small compartment in a sewing machine or kit for storing spare buttons.

He reached into the buttoncase built into the sewing table.