1. a heap of stones piled up as a memorial or landmark

Examples

• The hikers built a small cairn to mark the trail junction.
• Ancient cairns dot the Scottish landscape as burial monuments.
• We followed the cairns to find our way back down the mountain.
• The stone cairn served as a landmark for travelers crossing the moor.
• Each cairn along the path helped guide us through the fog.
• The memorial cairn was erected to honor the fallen soldiers.