/ Dictionary / Index F feedstuff: Meaning and Definition of Find definitions for: feed•stuff Pronunciation: (fēd'stuf"), [key] — n. feed (def. 14). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. feedstock feedthrough Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language