Breadcrumb Home > Dictionary > Index S stoat: Meaning and Definition of Find definitions for: stoat Pronunciation: (stōt), [key] — n. the ermine, Mustela erminea, esp. when in brown summer pelage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: stoat (Thesaurus) stoa stoating ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language