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English definition of “spelunking”

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spelunking

noun [U] uk   /spəˈlʌŋ.kɪŋ/ US ( UK potholing) us  
the sport of walking and climbing in caves: Let's go spelunking at the weekend.
Synonym
spelunker
noun [C] uk   /-kər/ us    /-kɚ/ US ( UK potholer)
Translations of “spelunking”
in Chinese (Traditional) 洞穴探察…
in Chinese (Simplified) 洞穴探察…
(Definition of spelunking from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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