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Webster 1913 Edition
Cat's-eye
Cat’s′-eyeˊ
(kăts′īˊ)
, Noun.
(Min.)
A variety of quartz or chalcedony, exhibiting opalescent reflections from within, like the eye of a cat. The name is given to other gems affording like effects, esp. the chrysoberyl.
Definition 2024
cat's-eye
cat's-eye
English
Alternative forms
Noun
cat's-eye (plural cats'-eyes)
- (mineralogy) A gemstone mineral (a variety of chalcedonic quartz) that has a lustre resembling the eye of a cat when cut en cabochon
- (Britain, New Zealand) Any of a chain of reflecting studs used to demarcate traffic lanes.