In the army, a padre can contribute to it (6)
I believe the answer is:
parade
'it' is the definition.
The definition suggests a singular noun which matches the answer.
'in the army a padre can contribute' is the wordplay.
'a padre' anagrams to 'PARADE'.
However, I'm not sure how this is indicated.
'to' acts as a link.
Can you help me to learn more?
(Other definitions for parade that I've seen before include "Promenade" , "Organised procession of displays, performances, etc" , "Public procession as on St Patrick's Day" , "Easter ___ , 1948 film with Judy Garland and Fred Astaire" , "Public walk or march" .)