spelunking

noun [U]

/spəˈlʌŋ.kɪŋ/ US (UK potholing)

Definition

› the sport of walking and climbing in caves: Shall we go spelunking at the weekend?Hiking and orienteering spelunker

/-kər/

/-kɚ/ noun [C] US (UK potholer)

(Definition of spelunking noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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