Editorial
Injunction
Also: restraining order · interdict
Definition
An order requiring a party to do or refrain from doing a specified act. It may be interim or final, and breach is a contempt of court.
In plain English: A court order telling someone to stop doing something, or to do it. Ignoring it is serious.
A general definition, not tied to any jurisdiction. Check the meaning in the system that governs your matter before relying on it.