1. Spots on the sun's surface which appear brighter than the rest.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• daculae,
• caculae,
• vaculae,
• gaculae,
• taculae,
• raculae,
• fzculae,
• fsculae,
• fwculae,
• fqculae,
• Feculae,
• Fakulae,
• faculies,
• FuculAe,
• Faculars,
• Faculees,
• Faculey,
• Faculaei,
• Fackulae,
• Faukulae

The adjective form of the word "Faculae" is "facular".

The plural form of the word "Faculae" is "faculas".

The singular form of the word "Faculae" is "Facula"