/ Dictionary / Index F fatstock: Meaning and Definition of Find definitions for: fat•stock Pronunciation: (fat'stok"), [key] — n. Chiefly Brit. livestock that has been fattened for market. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fat-soluble fat-tailed sheep Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language