curtailer
/kərˈteɪlər/Definitions
1. noun
One that curtails, especially one that cuts off or reduces something, such as an expense or an activity.
“The company’s new cost-cutting curtailer was instrumental in reducing their annual expenses.”
2. verb
to reduce or cut off something, especially an expense, activity, or opportunity.
“The government curtailed funding for the project due to budget constraints.”