a narrow space between the parts of something broken
The old window was covered with cracks.
The vase fell to the floor, and a small crack appeared along its delicate porcelain surface.
After the earthquake, cracks appeared in the walls of many buildings in the affected area.
As the ice on the lake began to thaw, loud cracking sounds echoed across the frozen surface.
The hiker noticed a narrow crack in the rock, indicating a potential path to explore in the mountainous terrain.
