spelunker

== English == === Etymology === From then-obsolete spelunk (noun) +‎ -er. Coined by New England cave explorer Roger Charles Johnson in the 1930s. === Pronunciation === Rhymes: -ʌŋkə(ɹ) === Noun === spelunker (plural spelunkers) (Canada, US) One who explores caves; one who spelunks. Synonyms: caver, (British) potholer (derogatory) An amateur or inadequately prepared caver. ==== Derived terms ==== spelunk spelunking ==== Translations ==== === References ===