A place of retreat, such as a man cave.
A code cave.
A hole, depression, or gap in earth or rock, whether natural or man-made.
A large, naturally-occurring cavity formed underground or in the face of a cliff or a hillside.
A shielded area where nuclear experiments can be carried out.
A storage cellar, especially for wine or cheese.
A naturally-occurring cavity in bedrock which is large enough to be entered by an adult.
Debris, particularly broken rock, which falls into a drill hole and interferes with drilling.
A group that breaks from a larger political party or faction on a particular issue.
A collapse or cave-in.
The vagina.
To engage in the recreational exploration of caves.
To hollow out or undermine.
To surrender.
In room-and-pillar mining, to extract a deposit of rock by breaking down a pillar which had been holding it in place.
To collapse.
look out!; beware!
A mazelike place of passages and/or rooms in which it's easy to lose oneself; especially one that may be overcrowded.
The right to maintain and hunt an area of small beasts, similar to a free warren, but with certain limitations, such as restricting the right to hunt on parts of the land held by freeholders.
The system of burrows where rabbits live.
A place legally authorized for the keeping, breeding and hunting of beasts of warren, especially rabbits.