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Cat's eye
01
any of various gems (as chrysoberyl or chalcedony) that reflect light when cut in a rounded shape
02
a small reflective device on a road that helps drivers see lane markings and edges at night
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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