cave1
/
keɪv/
n.
a large natural underground chamber.
v.
- explore caves as a sport.
-
(cave in or US also cave)
(of a roof or walls) subside or collapse.
Derivative
Etymology
ME: from OFr., from L. cava, from cavus ‘hollow’.
cave2
/
ˈkeɪvi/
exclam.
Brit. school slang, dated look out!
Phrase
- keep cave
act as lookout.
Etymology
L., imper. of cavere ‘beware’.