noun (plural ~s) Date: circa 1599 any of various gems (as a chrysoberyl or a chalcedony) exhibiting opalescent reflections from within, a marble with eyelike concentric circles
CAT'S-EYE
Meaning of CAT'S-EYE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012