cat's eye
Concise Oxford English Dictionary © 2008 Oxford University Press:
cat's eye
▶noun
- 1 a semi-precious stone, especially chalcedony, with a band of bright lustre.
- 2 (catseye) Brit. trademark a light-reflecting stud set in a series into a road to mark traffic lanes or the edge of the carriageway.
'cat's eye' also found in these Oxford entries:

