UIS Commission on Karst Hydrogeology and Speleogenesis
Filter by letter:
All a a a b c d e f h i j k l m n o p q r s t u w x y z
Email Print


Glossary of Karst and Cave Terms

1. In speleology, a natural opening above the floor of a passage or a room, giving access to an adjoining cavity or to the surface; larger and less symmetrical than a porthole. 2. The opening under the arch of a small natural bridge [10]. See karst window.