A more thorough explanation:

Definition: A praeco (pree-koh) is a herald or crier in Roman law.

Example: In ancient Rome, a praeco would announce important news or events to the public. For example, a praeco might announce the start of a gladiator fight or the arrival of an important dignitary.

Explanation: The role of a praeco was to communicate important information to the public. They were often used in public events and ceremonies to make announcements and keep the crowd informed. The example of a praeco announcing the start of a gladiator fight illustrates how they were used to keep the public informed about events that were happening.