1. A stiff pasteboard or cardboard made from wood pulp, used especially for book covers and binding.
Usage: Common in bookbinding and printing industries

Examples

• The publisher chose millboard for the hardcover edition to ensure durability.
• Millboard provides a rigid backing for the book's spine and covers.
• The antique book was bound in leather over millboard.
• Bookbinders prefer millboard because it resists warping over time.
• The millboard sheets were cut to size before being covered with cloth.