boulder

noun

1. A large mass of stone detached from the surrounding land.
2. A particle greater than 256 mm in diameter, following the Wentworth scale
3. A large marble, in children's games.

   “There were four sizes of marbles and we called them boulders, biggies, regulars, and teenies.”

4. A session of bouldering; involvement in bouldering.

verb

1. (ambitransitive)To engage in bouldering.

   “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.”

name

1. A town in Western Australia, merged with Kalgoorlie in 1989 as the City of Kalgoorlie-Boulder.
2. A home rule municipality, the county seat of Boulder County, Colorado, United States.
3. An unincorporated community in Clinton County, Illinois, United States.
4. A town, the county seat of Jefferson County, Montana, United States.
5. A small town in Garfield County, Utah, United States.
6. An unincorporated community in Barbour County, West Virginia, United States.
7. A census-designated place in Sublette County, Wyoming, United States.