A Cajun soup (5)
I believe the answer is:
gumbo
'a cajun soup' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for gumbo that I've seen before include "Cajun chicken dish" , "Patois" , "Spicy soup; okra" , "Okra pods" , "Okra; spicy Cajun dish" .)