the exploration and study of caves.
the scientific study of caves, esp in respect of their geological formation, flora and fauna, etc
the sport or pastime of exploring caves
The exploration and scientific study of the geological and ecological features of caves.
/ˌspiːlɪəˈθɛrəpɪ/ noun 1. a form of treatment for asthma sufferers that takes place in clinics in disused mines, in which the air is free of pollen, dust mites, and the other irritants that provoke an allergic reaction; used to reduce the risk of heart disease
noun 1. (Scot & Northern English, dialect) a splinter of wood
verb (used with object), spelled or spelt, spelling. 1. to name, write, or otherwise give the letters, in order, of (a word, syllable, etc.): Did I spell your name right? 2. (of letters) to form (a word, syllable, etc.): The letters spelled a rather rude word. 3. to read letter by letter or with difficulty […]
verb (used with object), spellbound, spellbinding. 1. to hold or bind by or as if by a spell; enchant; entrance; fascinate. verb -binds, -binding, -bound 1. (transitive) to cause to be spellbound; entrance or enthral