coasteering
coast eer ing |ˌkōstˈi (ə )riNG koʊstˈɪrɪŋ | ▶noun chiefly Brit. the sport or activity of exploring a rocky coastline by climbing, jumping, and swimming.
coasteering |kəʊstˈɪərɪŋ | ▶noun [ mass noun ] chiefly Brit. the sport or activity of exploring a rocky coastline by climbing, jumping, and swimming. ORIGIN blend of coast and mountaineering .