1. noun /keɪv/
We found a cave on the mountainside where we could take shelter.
b) A hole, depression, or gap in earth or rock, whether natural or man-made.
This wine has been aged in our cave for thirty years.
2. verb /keɪv/
a) To surrender.
He caved under pressure.
b) To collapse.
First the braces buckled, then the roof began to cave, then we ran.
3. interjection /keɪv/
Wikipedia foundation.