MEERSCHAUM, n. (Literally, seafoam, and by many erroneously supposed t… — The Devil's Dictionary
SAPIR 861
MEERSCHAUM, n. (Literally, seafoam, and by many erroneously supposed to be made of it.) A fine white clay, which for convenience in coloring it brown is made into tobacco pipes and smoked by the workmen engaged in that industry. The purpose of coloring it has not been disclosed by the manufacturers.
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