/ Dictionary / Index S sheepdog: Meaning and Definition of Find definitions for: sheep•dog Pronunciation: (shēp'dôg", -dog"), [key] — n. a dog trained to herd and guard sheep. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sheepdog (Thesaurus) sheep-dip sheep fescue Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language