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any of various gems (as chrysoberyl or chalcedony) that reflect light when cut in a rounded shape
a small reflective device on a road that helps drivers see lane markings and edges at night
What is a "cat's eye"?
A cat's eye is a reflective road marker, typically made of glass or plastic, used to improve visibility and guide drivers, especially at night or in poor weather conditions. The marker is round or oval and is designed to reflect headlights, making it easier for drivers to see the road markings or the edges of the road. Cat's eyes are commonly placed along roads, highways, and in construction zones to help prevent accidents by clearly defining lanes or marking areas where drivers should not go. They are named after their resemblance to a cat's eye due to the way they reflect light.
