Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The glow reflected from the eyes of some animals when struck by light in dark surroundings.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A visible effect of the tapetum lucidum, causing the pupil to appear to glow when a light is shone into the eye.

Etymologies

eye +‎ shine (Wiktionary)

Examples

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  • The reflection of light from the tapetum, a layer in the eyes of some animals that causes the eyes to shine at night. See tapetolucence.

    February 18, 2008