/ Dictionary / Index F fiefdom: Meaning and Definition of Find definitions for: fief•dom Pronunciation: (fēf'dum), [key] — n. the estate or domain of a feudal lord. anything, as an organization or real estate, owned or controlled by one dominant person or group. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fiefdom (Thesaurus) fief field Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language