A more thorough explanation:

Definition: When a grand jury delivers an indictment to a criminal court.

Example: The grand jury decided to hand up an indictment against the suspect for the crime of robbery.

Explanation: A grand jury is a group of citizens who review evidence presented by prosecutors to determine if there is enough evidence to charge someone with a crime. If the grand jury decides there is enough evidence, they will hand up an indictment to the criminal court. This means that the case will proceed to trial and the suspect will be formally charged with the crime.