rock climb n (Mountaineering) an instance of rock climbing or the route followed vb (Mountaineering) (intr) to practise rock climbing Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014