nounpl. mac·u·lae or mac·u·las
- a. An opaque spot on the cornea.b. The macula lutea.
- See macule2.
Origin of maculaMiddle English, from Latin.
- (anatomy) An oval yellow spot near the center of the retina of the human eye, histologically defined as having two or more layers of ganglion cells, responsible for detailed central vision.
- A spot, as on the skin, or on the surface of the sun or of some other luminous orb.
- A rather large spot or blotch of color.
- In planetary geology, an unusually dark area on the surface of a planet or moon.
From Latin macula (â€œspot, stainâ€).