1. a type of thick cardboard or paperboard used for making boxes and packaging

Examples

• The cereal boxes are made from recycled boxboard.
• The manufacturer switched to a heavier boxboard for better protection.
• Boxboard is commonly used in the packaging industry.
• The printer specializes in printing on boxboard materials.
• They ordered several sheets of white boxboard for the project.
• The boxboard was too thin to support the weight of the contents.