cat's-eye

[ kats-ahy ]
/ ˈkætsˌaɪ /

noun, plural cat's-eyes.

any of certain gems having a chatoyant luster, especially chrysoberyl.
a playing marble marked with eyelike concentric circles.

Origin of cat's-eye

First recorded in 1545–55

British Dictionary definitions for cat's-eye

cat's-eye

noun

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
Also called: ataata a grazing marine gastropod, Turbo smaragdus, of New Zealand waters