City in Oklahoma (5)
(Other definitions for tulsa that I've seen before include "American city" , "part of Oklahoma" , "Oklahoma river port" , "Twenty-four Hours from - (Gene Pitney)" , "Oklahoma city featured in a 1960s pop song" .)
'city in oklahoma' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for enid that I've seen before include "- Blyton, twentith century writer" , "Geraint's wife's" , "Lady" , "Dine out on this girl's name also" , "Miss Blyton" .)