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
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
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 Dictionary
ph.
(of a roof or similar structure) subside or collapse
Oxford American 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
