Définitions
1.NounA small cave.
2.NounAn artificial cavern-like retreat.
3.NounA Marian shrine, usually built in a cavern-like structure.
4.NounA local organization of cavers that typically organizes trips to caves and provides information and training for caving; a caving club.
5.NounA secretive name for a local group of underground Satanists.
6.NounA garden or roadside shrine with a small cave containing a statue of the Blessed Virgin Mary (Can we verify this sense?)