1. a book containing exercises and problems for students to work on
2. a book in which a record is kept of work done or planned

Examples

• The math workbook contains hundreds of practice problems.
• Students must complete pages 15-20 in their science workbook.
• She bought a grammar workbook to improve her English skills.
• The teacher assigned exercises from the history workbook.
• He kept a detailed workbook of his research progress.
• The project manager used a workbook to track team assignments.
• Each chapter in the workbook builds on the previous one.