[cat's-eye] n, pl cat's-eyes (ca. 1599) 1: any of various gems (as a chrysoberyl or a chalcedony) exhibiting opalescent reflections from within
2: a marble with eyelike concentric circles
[cat's-eye] n, pl cat's-eyes (ca. 1599) 1: any of various gems (as a chrysoberyl or a chalcedony) exhibiting opalescent reflections from within
2: a marble with eyelike concentric circles
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012