boulder

1. (climbing, ambitransitive) To engage in bouldering.Examples: "He bouldered a route in the same area with ease. Mitchell, 11, was hanging with the older kids in an area where bouldering nearly upside down seemed to be...."; "As the week unfolded, we were taught about the equipment we needed, how to tie a rope and what to wear. We learnt to balance on our feet rather than cling on with our arms and to trust our rock shoes, the moulded rubber slippers that can grip the smoothest of surfaces. We abseiled, bouldered and belayed."; "There's even old climbing hardware in it because people bouldered on it for years."