1. of, relating to, or characteristic of a caliph or caliphate
Usage: formal; historical

Examples

• The caliphal court in Baghdad was a center of learning and culture.
• Caliphal authority extended across vast territories in the medieval Islamic world.
• The caliphal system of governance influenced many Islamic states.
• Scholars studied caliphal documents to understand early Islamic history.
• The caliphal period saw significant advances in mathematics and astronomy.