n.
a natural underground chamber in a hillside or cliff: the narrow gorge contains a series of prehistoric caves v.
explore caves as a sport: they say they cave for the adventure, challenge, and physical exercise
Oxford Dictionary
n.
a large underground chamber, typically of natural origin, in a hillside or cliff: the narrow gorge contains a series of prehistoric caves v.
explore caves as a sport: they say they cave for the adventure, challenge, and physical exercise
Oxford American Dictionary
excl
(among children) look out!
Oxford American Dictionary
excl
(among children) look out!
Oxford Dictionary
ph.
(of a roof or similar structure) subside or collapse
Oxford American Dictionary
ph.
(of a roof or similar structure) subside or collapse
Oxford Dictionary
n.
a collapse of a roof or similar structure, typically underground: a mine cave-in
Oxford American Dictionary
n.
a collapse of a roof or underground structure: a mine cave-in
Oxford Dictionary