caves
n. countable A2 Elementary US //ˈkeɪvz// UK //kˈeɪvz// caves
n. large, natural holes or spaces under the ground or in the side of a hill. You can often find them in rocky areas or near the sea.
n. large, naturally occurring underground chambers or series of passages, typically formed by the weathering of rock or volcanic activity.
The explorers found ancient paintings on the walls of the caves.
During the summer heat, the cool air inside the limestone caves provides a natural refuge for local wildlife.
Speleologists spend years mapping the intricate networks of these subterranean caves, often discovering unique ecosystems that have remained isolated from the surface for millennia.
Usage
Usually used in the plural when referring to a general area or a network of tunnels.