/ Dictionary / Index F facula: Meaning and Definition of Find definitions for: fac•u•la Pronunciation: (fak'yu-lu), [key] — pl. -lae an irregular, unusually bright patch on the sun's surface. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: facula (Thesaurus) facture facultative Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language