1. facing the direction from which a glacier moves; relating to the upstream side of a glacial formation
Usage: geological

Examples

• The stoss side of the drumlin showed clear signs of glacial abrasion.
• Geologists examined the stoss slope for evidence of ice movement.
• The rock formation’s stoss face was polished smooth by the advancing glacier.
• Striations on the stoss side indicated the glacier’s direction of flow.
• The stoss end of the hill was more rounded than the lee side.