caving

• IPA^(key): /ˈkeɪvɪŋ/
• Rhymes: -eɪvɪŋ

English Wikipedia has an article on:

caving

Wikipedia

caving (countable and uncountable, plural cavings)

1. The recreational sport of exploring caves.
2. An act of collapsing or caving in.
   • 2005, Sandy Gow, Bonar Alexander Gow, Roughnecks, Rock Bits and Rigs, page 282:

     Likewise, some Turner Valley wells had to be abandoned because of repeated cavings.

caving

1. present participle and gerund of cave

• speleology
• potholing