cat's-eye

English

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Cat's-eye

Wikipedia

Alternative forms

• cat's eye

Noun

cat's-eye (plural cat's-eyes)

1. (mineralogy) A gemstone mineral (a variety of chalcedonic quartz) that has a lustre resembling the eye of a cat when cut en cabochon
2. (UK, New Zealand) Any of a chain of reflecting studs used to demarcate traffic lanes.