/ Dictionary / Index M meerschaum: Meaning and Definition of Find definitions for: meer•schaum Pronunciation: (mēr'shum, -shôm), [key] — n. a mineral, hydrous magnesium silicate, HMgSiO, occurring in white, claylike masses, used for ornamental carvings, for pipe bowls, etc.; sepiolite. a tobacco pipe with a bowl made of this substance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: meerschaum (Thesaurus) meerkat Meerut Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language