A large mass of stone detached from the surrounding land.
A particle greater than 256 mm in diameter, following the Wentworth scale
A large marble, in children's games.
A session of bouldering; involvement in bouldering.
To engage in bouldering.
A rough, broken fragment of rock.
A rocky outcrop; a rugged steep cliff or rock.
A partially compacted bed of gravel mixed with shells, of the Pliocene to Pleistocene epochs.