Church body welcome after November (4)
I believe the answer is:
nave
'church body' is the definition.
(the nave is the main part or body of a church)
'welcome after november' is the wordplay.
'welcome' becomes 'ave' ('welcome' or 'farewell' - from Latin).
'after' means one lot of letters go next to another.
'november' becomes 'N' (phonetic alphabet: alpha, bravo, charlie etc.).
'ave' put after 'n' is 'NAVE'.
(Other definitions for nave that I've seen before include "Part of a church sounds roguish" , "Central part of church" , "Middle of wheel" , "Central area in a church" , "Part of the church sounds like a rogue" .)