/ Dictionary / Index S sweeny: Meaning and Definition of Find definitions for: swee•ny Pronunciation: (swē'nē), [key] — n. Vet. Pathol. atrophy of the shoulder muscles in horses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sweelinck sweep Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language