/ Dictionary / Index F fagaceous: Meaning and Definition of Find definitions for: fa•ga•ceous Pronunciation: (fu-gā'shus), [key] — adj. belonging to the Fagaceae, the beech family of plants. Cf. beech family. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fag fag end Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language