1. brownish stains or spots that appear on old paper, books, or documents due to age, moisture, or chemical reactions
2. a strip of leather or other material sewn around the upper edge of a shoe where it joins the sole
Usage: shoemaking

Examples

• The antique book showed extensive foxing on its pages.
• Foxing had damaged the old photograph’s edges.
• The librarian explained that foxing occurs naturally in aged paper.
• High humidity can accelerate foxing in books.
• The cobbler repaired the worn foxing on my boots.
• Quality shoes often have leather foxing for durability.