To make less by or as if by cutting off or away some part. (Merriam – Webster)
To stop something before it finished, or to reduce or limit something. (Cambridge Dictionary)
Reduce in extent or quantity; impose a restriction on. (Oxford Dictionaries)
Deprive someone of (something) (Oxford Dictionaries)
If you curtail something, you reduce or limit it. (Collins Dictionary)
Institutional control measures to curtail the epidemic spread of carbapenem-resistant Klebsiella pneumoniae: a 4-year perspective.
Trump advocates ‘stop-and-frisk’ to curtail Chicago crime.
New York City moves to curtail Uber and other ride-hailing services.