Definition of "cat's-eye" [cat's•-eye]

• Any of various semiprecious gems such as chrysoberyl, BeAl2O4, reflecting a band of light that shifts position as the gem is turned. (noun)
• 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. (noun)
• A marble having an eyelike design, such as concentric circles or a colored center set in clear glass. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Damaris wore a butter-yellow dress that perfectly matched her soft hair and that was adorned with tiny seed pearls and creamy brown cat's-eye agates."
• "With Halloween near, the company is introducing a cat's-eye lens like Michael Jackson's in the "" Thriller '' video."
• "She'd changed into a cute little sundress in the bathroom, fluffed up her newly straightened dark brown hair, put on the chic cat's-eye glasses."