macula > define

noun

• A cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field.
  • synonyms: sunspot
• A small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision.
  • synonyms: macula lutea, macular area, yellow spot
• A patch of skin that is discolored but not usually elevated; caused by various diseases.
  • synonyms: macule

• (n.) A spot, as on the skin or on the surface of the sun or of some other luminous orb.
• (n.) A rather large spot or blotch of color.