re ‧ trench /rɪˈtrentʃ/ BrE AmE verb [intransitive] formal
[ Date: 1500-1600 ; Origin: Early French retrencher , from Old French trenchier 'to cut' ]
if a government or organization retrenches, it spends less money SYN economize
—retrenchment noun [uncountable and countable] :
a government policy of retrenchment