To engage in bouldering.
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.
A large mass of stone detached from the surrounding land.
To form (scraps of metal) into ingots.
A solid block of more or less pure metal, often but not necessarily bricklike in shape and trapezoidal in cross-section, the result of pouring out and cooling molten metal, often immediately after smelting from raw ore or alloying from constituents.