cat's eye

or cat's-eye

[ kats-ahy ]

noun

, plural cat's eyes, cat's-eyes.

1. any of certain gems having a chatoyant luster, especially chrysoberyl.
2. a playing marble marked with eyelike concentric circles.
3. cat eye ( def ).

cat's-eye

noun

1. any of a group of gemstones, esp a greenish-yellow variety of chrysoberyl, that reflect a streak of light when cut in a rounded unfaceted shape
2. Also calledataata a grazing marine gastropod, Turbo smaragdus , of New Zealand waters

Word History and Origins

Origin of cat's eye¹

First recorded in 1545–55