Chisholm Trail Coliseum site (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
enid
(Other definitions for enid that I've seen before include "Writer of children's books, d. 1968" , "Dine out on this girl's name also" , "Miss Blyton" , "'... Blyton, children's author (4)'" , "- Blyton, children's writer" .)