1. deep cracks or fissures in a glacier or ice sheet
Usage: glaciology
2. deep cracks or splits in rock formations or the earth’s surface
Usage: geology

Examples

• The mountaineers carefully navigated around the dangerous crevasses in the glacier.
• Several climbers fell into hidden crevasses during the expedition.
• The earthquake created massive crevasses in the rocky terrain.
• Rescue teams used ropes to extract the hiker from the deep crevasse.
• Glacial crevasses can be hundreds of feet deep and nearly invisible from above.
• The geological survey mapped all the major crevasses in the canyon wall.