/ Dictionary / Index F fusee: Meaning and Definition of Find definitions for: fu•see Pronunciation: (fy-zē'), [key] — n. a wooden friction match having a large head, formerly used when a larger than normal flame was needed. a red flare light, used on a railroad as a warning signal to approaching trains. a spirally grooved, conical pulley and chain arrangement for counteracting the diminishing power of the uncoiling mainspring. fuse (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fusee (Thesaurus) fused silica fuselage Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language