what is a sand bath
[Slang] Sand badger (Zo[o]l.), the Japanese badger ( Meles ankuma). Sand bag. A bag filled with sand or earth, used for various purposes, as in fortification, for ballast, etc. A long bag filled with sand, used as a club by assassins. Sand ball, soap mixed with sand, made into a ball for use at the toilet. Sand bath. (Chem.) A vessel of hot sand in a laboratory, in which vessels that are to be heated are partially immersed. A bath in which the body is immersed in hot sand. Sand bed, a thick layer of sand, whether deposited naturally or artificially; specifically, a thick layer of sand into which molten metal is run in casting, or from a reducing furnace.