cat's eye

See also: catseye and cat's-eye

English

Alternative forms

Etymology

An allusion to the way a cat's eyes will appear to glow when illuminated in the dark. In mineralogy, a calque of French œil de chat.

Noun

cat's eye (countable and uncountable, plural cats' eyes or cat's eyes)

  1. (countable, especially Commonwealth, usually in the plural) A retroreflective device placed on a road surface as a marking that can be seen even at night.
  2. (countable) A glass marble with elongated colourful inclusions running through its axis.
    Synonym: cat-eye
  3. A gemstone exhibiting chatoyancy.
  4. (mineralogy) Cymophane (translucent yellow chatoyant chrysoberyl).
  5. (countable, New Zealand) A sea snail, Lunella smaragda
  6. Used other than figuratively or idiomatically: see cat,‎ eye.; the eye of a cat.

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