/ Dictionary / Index F Fahr.: Meaning and Definition of Find definitions for: Fahr. Pronunciation: [key] Fahrenheit (thermometer). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Fahnestock clip Fahrenheit Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language