### Clue: They reflect as lion, say, moans audibly (4-4)
### Answer: CAT’S-EYES 
 ### Explanation: Definition: They reflect
 CAT(an example of which/say, is the lion) + **homophone of**(… audibly) "sighs"(moans/sounds expressing sadness, say).
Defn: … as guides to drivers on the road.