/ Dictionary / Index B billfish: Meaning and Definition of Find definitions for: bill•fish Pronunciation: (bil'fish"), [key] — pl. -fish, -fish•es. any of various fishes having a long, sharp bill or snout, as a gar, needlefish, or saury. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: billfish (Thesaurus) billety billfold Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language