The story
Once popularly said to have indicated the ability to see in the dark.
Etymology from Wiktionary, CC BY-SA 4.0.
night eye
Today it means: Synonym of chestnut (“irregular growth on a horse's leg”). Full definition →
Today it means: Synonym of chestnut (“irregular growth on a horse's leg”). Full definition →
Once popularly said to have indicated the ability to see in the dark.
Etymology from Wiktionary, CC BY-SA 4.0.