/ Dictionary / Index F fundus: Meaning and Definition of Find definitions for: fun•dus Pronunciation: (fun'dus), [key] — pl. -di the base of an organ, or the part opposite to or remote from an aperture. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fundus (Thesaurus) fund-raising Fundy Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language