BOULDER — Definition of 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.
4
A session of bouldering; involvement in bouldering.
verb
1
To engage in bouldering.
📚 Source: en.wiktionary.org/wiki/boulder
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