cat's eye
noun
1
- a semi-precious stone, especially chalcedony, with a chatoyant lustre猫眼石, 猫儿眼。
2
catseye
Brit. trademark a light-reflecting stud set into a road as one of a series to mark traffic lanes or the edge of the carriageway by reflecting light from headlights〈英, 商标〉“猫眼”, 反光路钉（一连串嵌入道路的反光路钉通过反射汽车前灯灯光来标示车道或车行道的边）。