1. [ noun ] (anatomy,ophthalmology) a yellowish central area of the retina that is rich in cones and that mediates clear detailed vision
Synonyms: macular_area yellow_spot macula_lutea
Related terms: area retina
2. [ noun ] a cooler darker spot appearing periodically on the surface of the sun; associated with a strong magnetic field
Synonyms: sunspot
Related terms: topographic_point
3. [ noun ] (medicine) a patch of skin that is discolored but not usually elevated; caused by various diseases
Synonyms: macule
Related terms: spot freckle liver_spot plague_spot skin
Similar spelling:   macaulay