gold dust: the particles and flakes (and sometimes small nuggets) of gold obtained in placer mining
gold: a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia
king: a checker that has been moved to the opponent's first row where it is promoted to a piece that is free to move either forward or backward