1. the old Arab quarter of a North African city
2. a fortress or citadel in a North African city

Examples

• The tourists wandered through the narrow streets of the casbah.
• The ancient casbah overlooked the harbor from its hilltop position.
• Local artisans sold their crafts in the bustling casbah marketplace.
• The casbah’s white-washed buildings gleamed in the afternoon sun.
• We got lost in the maze-like passages of the old casbah.
• The casbah served as both a residential area and defensive stronghold.