1. a mass of rocks that falls or slides down a slope
2. the event or process of rocks falling or sliding down a slope

Examples

• The rockslide blocked the mountain highway for three days.
• Heavy rains triggered a massive rockslide on the cliff face.
• Geologists warned that the area was prone to rockslides.
• The hiking trail was closed due to rockslide danger.
• A rockslide destroyed several homes in the valley below.
• The road crew worked to clear debris from the recent rockslide.