/ Dictionary / Index M minnow: Meaning and Definition of Find definitions for: min•now Pronunciation: (min'ō), [key] — pl. -nows, -now a small, European cyprinoid fish, Phoxinus phoxinus. any other fish of the family Cyprinidae, including the carps, goldfishes, and daces. any of various unrelated, small fishes. a person or thing that is comparatively small or insignificant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: minnow (Thesaurus) minnie minny Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language