/ Dictionary / Index F fusiform: Meaning and Definition of Find definitions for: fu•si•form Pronunciation: (fy'zu-fôrm"), [key] — adj. spindle-shaped; rounded and tapering from the middle toward each end, as some roots. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fusiform (Thesaurus) fusible metal fusil Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language