Kind of network (6)
I believe the answer is:
neural
'kind of network' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for neural that I've seen before include "Relating to the nervous system" , "Relating to nerves" , "Relating to a nerve" , "Nervy" , "To do with nerve of unreal kind" .)