Crag (noun)

1. A jagged rock formation, typically found in a mountainous area.
2. A steep, rugged rock face or cliff.

Origin:

The word "crag" originated in the 15th century from the old norse word "kragr" meaning a jagged rock.

Examples:

1. The climbers reached the summit of the crag.
2. The crag provided a great view of the valley below.
3. He was afraid of falling off the crag while climbing.
4. The crag was a popular spot for rock climbing and rappelling.
5. The crag was full of crevices, making it difficult to climb.