noun
- a person who explores caves as a hobby or sport
Examples
- The experienced spelunker descended into the limestone cave with proper safety equipment.
- Local spelunkers discovered a new chamber deep underground.
- She became a spelunker after visiting Mammoth Cave on vacation.
- The spelunker’s headlamp illuminated the narrow passage ahead.
- Safety training is essential for any beginning spelunker.
- The spelunker carefully mapped the cave system during the expedition.