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 mass or stratum of fragments of rock lying under the alluvium and derived from the neighbouring rock.
The broken remains of an object, usually rock or masonry.
The whole of the bran of wheat before it is sorted into pollard, bran, etc..