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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

See also: catseye and cat's eye

English

Alternative forms

Noun

cat's-eye (plural cats'-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. (Britain, New Zealand) Any of a chain of reflecting studs used to demarcate traffic lanes.