/ Dictionary / Index F fin whale: Meaning and Definition of Find definitions for: fin' whale" Pronunciation: [key] finback. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Finsteraarhorn F.I.O. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language