Definition of button-back in English:

button-back

noun

  • as modifier Denoting a chair or sofa with a quilted back, the stitching being hidden by buttons.

    ‘a button-back antique chair’
    • ‘The company has a less authentic, but grand-looking, button-back Chesterfield bedstead, in Alcantara faux-suede or real leather, priced from £2,000.’
    • ‘She favoured floral chintz, velvet button-back chairs and mahogany antiques.’
    • ‘If I see a woman with thighs that resemble a button-back settee, I feel rather smug.’
    • ‘This lovely Victorian button back sofa chaise is in excellent condition, covered in dusky pink velvet.’