macula
n 1: a cooler darker spot appearing periodically on the sun's
photosphere; associated with a strong magnetic field [syn:
{sunspot}, {macula}]
2: a small yellowish central area of the retina that is rich in
cones and that mediates clear detailed vision [syn: {macula},
{macula lutea}, {macular area}, {yellow spot}]
3: a patch of skin that is discolored but not usually elevated;
caused by various diseases [syn: {macule}, {macula}]
Macula \Mac"u*la\, n.; pl. {Maculae}. [L., spot, stain, blot.
See {Mail} armor, and cf. {Mackle}, {Macule}.]
1. A spot, as on the skin, or on the surface of the sun or of
some other luminous orb; called also {macule}.
[1913 Webster]
2. (Zool.) A rather large spot or blotch of color.
[1913 Webster] macula lutea