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.
eye + shine (Wiktionary)