1. spelunking - Noun
2. spelunking - Verb
spelunking (usually uncountable, plural spelunkings)
The practice or hobby of exploring underground caverns.
Synonym: caving
spelunking
present participle of spelunk
Spelunking is dangerous enough without adding in anything that could be described with the word "ravening". Jim Butcher
And that meant working on them for months, and spelunking in academic archives, and, you know, speaking in depth to all sorts of experts on the phone. Source: Internet
According to Baldino, some of the trips Adventure Rec is planning for next year include kayaking, overnight ski trips, yoga hikes, backpacking and spelunking, which is the exploration of wild cave systems. Source: Internet
Nevertheless, outside the caving community, "spelunking" and "spelunkers" predominately remain neutral terms referring to the practice and practitioners, without any respect to skill level. Source: Internet
It may also be referred to as draining (when exploring drains), urban spelunking, urban rock climbing, urban caving, or building hacking. Source: Internet
Raccoon Mountain’s caverns are unique as their formations are 100% natural, and likewise the site offers spelunking tours of undeveloped passages. Source: Internet