facula facty • facular · · · Info · Definitions · Characters · · facula · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a bright spot on a planet. · · Noun Definition 1 (noun) a large bright spot on the sun's photosphere occurring most frequently in the vicinity of sunspots. · · Noun Definition 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 f latin small letter f U+0066 l latin small letter l U+006C u latin small letter u U+0075