macula

noun

1. a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field

   noun.phenomenon

   Synonyms sunspot

   Source: WordNet 3.0

2. a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision

   noun.body

   Synonyms macula lutea macular area yellow spot

   Source: WordNet 3.0

3. a patch of skin that is discolored but not usually elevated; caused by various diseases

   noun.body

   Synonyms macule

   Source: WordNet 3.0

4. A spot, as on the skin, or on the surface of the sun or of some other luminous orb.

   noun

   Source: webster1913