Meerschaum is a type of mineral that is often used to make pipes. It is a soft, white, and porous material that is found in the ground in certain parts of the world. The term 'MEERSCHAUM' is derived from the German word for 'sea foam, ' which is an apt description of its appearance. The most common use for MEERSCHAUM is to make smoking pipes, which are highly valued for their unique color and texture. The crossword solution for MEERSCHAUM, E.G. is PIPE, a four-letter word.