/ Dictionary / Index S smew: Meaning and Definition of Find definitions for: smew Pronunciation: (smy), [key] — n. a Eurasian duck, Mergus albellus, closely akin to mergansers: the male is white marked with black and gray. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: smew (Thesaurus) Smethwick smidgen Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language