cat's-eye (kătsī′)
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Tweet n. pl. cat's-eyes 1. Any of various semiprecious gems such as chrysoberyl, BeAl2O4, reflecting a band of light that shifts position as the gem is turned. 2. A glass or plastic reflector designed to glow in the beam of a headlight, used on a vehicle as a safety device or set in rows along a highway as lane markers. 3. A marble having an eyelike design, such as concentric circles or a colored center set in clear glass. |
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