another term for spelunking.
More example sentences
- They said they packed in abseiling, caving and night orienteering into their two-day stay and hoped to raise money to go back there.
- It is the epitome of Dales Caving, and is sporting vertical caving at its very best.
- There they got the chance to try out crafts and creative arts, skating, quad bike riding, climbing walls, mock caving and a giant inflatable obstacle course.
Definition of caving in:
- The British & World English dictionary