Food popular with chips (4)

I believe the answer is:
fish
(Other definitions for fish that I've seen before include "Aquatic creature; rail-joining plate" , "Eg, sturgeon" , "Angle, troll" , "Swimmer" , "Burbot or turbot, for example" .)
I believe the answer is:
fish
(Other definitions for fish that I've seen before include "Aquatic creature; rail-joining plate" , "Eg, sturgeon" , "Angle, troll" , "Swimmer" , "Burbot or turbot, for example" .)