Where to learn there's neither ford nor river (8)
I believe the answer is:
oxbridge
'where to learn there's neither ford nor river' is the definition.
The definition suggests a singular noun which matches the answer.
This is the entire clue.
Can you help me to learn more?
(Other definitions for oxbridge that I've seen before include "Elite institutions shortly" , "location for privileged education" , "The two most famous British universities regarded like 32 Across" , "centres of academic excellence" , "Universities united" .)