1. the formation of wrinkles or puckers in paper, fabric, or other materials

1. present participle of cockle; forming wrinkles or puckers

Examples

• The humidity caused cockling in the watercolor paper.
• The fabric was cockling after being washed in hot water.
• She noticed the photograph was cockling at the edges.
• The wallpaper started cockling due to moisture behind the wall.
• Proper storage prevents cockling of important documents.
• The artist had to replace the cockling canvas.