In literature, delightful cathedral city's giant's content (7)
I believe the answer is:
elysian
'in literature delightful cathedral' is the definition.
I can't tell whether this definition defines the answer.
'city's giant's content' is the wordplay.
'city's' becomes 'Ely's' (Ely is a city in Cambridgeshire).
'content' indicates the central letters.
The middle letters of 'giant' are 'ian'.
'elys'+'ian'='ELYSIAN'
Can you help me to learn more?
(Other definitions for elysian that I've seen before include "Of abode of the blessed dead in Greek mythology" , "... Fields, final resting place of the souls of Greek heroes" , "Pertaining to divine fields" , "Like paradise" , "Any isle (anag.)" .)