• (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.
  • In planetary geology, an unusually dark area on the surface of a planet or moon.
  • A rather large spot or blotch of color.
  • A spot, as on the skin, or on the surface of the sun or of some other luminous orb.

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