We halt the production of riches (6)
I believe the answer is:
wealth
'riches' is the definition.
(synonyms)
'we halt the production' is the wordplay.
'the production' indicates an anagram.
'halt' is an anagram of 'alth'.
'we'+'alth'='WEALTH'
'of' is the link.
(Other definitions for wealth that I've seen before include "Riches, worldly goods" , "'Riches, affluence (6)'" , "capital" , "Material worth" , "was common under Cromwell" .)