/ Dictionary / Index M mummichog: Meaning and Definition of Find definitions for: mum•mi•chog Pronunciation: (mum'i-chog"), [key] — n. Coastal New England. a silver and black killifish, Fundulus heteroclitus, found in fresh, brackish, and salt water along the Atlantic coast of the U.S. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mummichog (Thesaurus) mummery mummify Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language