bouldering


bould·er·ing

B0418200 (bōl′dər-ĭng)n. The sport of climbing without ropes or other technical gear on boulders or relatively small rock faces.
bould′er·er n.

bouldering

(ˈbəʊldərɪŋ) n (Mountaineering) rock climbing on large boulders or small outcrops either as practice or as a sport in its own right