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boulder Definition
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boulder
noun(boul-der)a detached and rounded or much-worn mass of rock
boulder
geographical name(boul-der)city northwest of Denver in north central Colorado population 97,385
boulder
noun(boul-der)the sport of rock climbing on large boulders or low cliffs
boulder
noun(boul-der)a detached and rounded or much-worn mass of rock
boulder
geographical name(boul-der)reservoir located in the northern part of the city of Boulder, Colorado and used for drinking water, irrigation, and recreation
boulder
geographical name(boul-der)town of Australia in south central Western Australia population 30,841
boulder
geographical name(boul-der)dam 726 feet (221 meters) high in the Colorado River between Nevada and Arizona that was completed in 1936