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1. Having the eyes wide-open, as in infatuation, wonder, or grief: "Didn't she have a hundred moon-eyed ninnies after her in Texas?" (Zane Grey).
2. Able to see well at night.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.