Definition
A person who explores caves as a hobby or sport, descending into underground caverns and navigating their passages. Also called a caver or potholer.
Example Usage
The experienced spelunker descended into the cave system with specialized equipment and mapping tools.
Origin
From Latin 'spelunca' (cave), popularized in modern English in the mid-20th century to describe recreational cave explorers.
Fun Fact
Spelunking has evolved into a serious scientific and recreational pursuit, with expeditions discovering new cave systems and underground ecosystems.
Source: Definition backfill (hailey)
Related Terms
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See “spelunker” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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