Akademik
boulder
1.
noun
/ˈbəʊl.də(ɹ),ˈboʊldəɹ/
A large piece of
stone
that can theoretically be moved if enough force is applied.
2.
verb
/ˈbəʊl.də(ɹ),ˈboʊldəɹ/
To engage in
bouldering
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.