/ Dictionary / Index F finestra: Meaning and Definition of Find definitions for: fi•nes•tra Pronunciation: (fi-nes'tru), [key] — n. an aperture, esp. a ventilator in the wall of a tomb. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. finest fine structure Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language