DIRT n.
In placer mining, earth, gravel, etc., before washing. Dirt bed (Geom.), a layer of clayey earth forming a stratum in a geological formation. Dirt beds are common among the coal measures. -- Dirt eating. (a) The use of certain kinds of clay for food, existing among some tribes of Indians; geophagism. Humboldt. (b) (Me…
DUST n.
rbo); -- called also smut. -- Gold dust, fine particles of gold, such as are obtained in placer mining; -- often used as money, being transferred by weight. -- In dust and ashes. See under Ashes. -- To bite the dust. See under Bite, v. t. -- To raise, or kick up, dust, to make a commotion. [Colloq.] -- To throw dus…