1. (of a book) bound with a stiff protective cover made of cardboard or similar material, typically covered with cloth or leather
Usage: publishing and bookbinding term; also called hardcover or hardbound

Examples

• The library purchased casebound editions of the classic novels to ensure they would last for decades.
• This casebound dictionary is more durable than the paperback version.
• The publisher offered both casebound and paperback formats of the new biography.
• Casebound books are often preferred for reference materials and special editions.
• The gift set included three casebound volumes in a decorative slipcase.