Emperor/ˈempərər/ Definition 1 of 3Pro Tip 1/3Historical Context The term often relates to a historic or traditional empire. The emperor Augustus ruled the Roman Empire at its zenith. Pro Tip 2/3Cultural Significance Emperors are central in the folklore and history of many cultures. In Chinese history, the emperor was considered the Son of Heaven. Pro Tip 3/3Imperial Authority An emperor typically has the highest authority in the empire. The emperor issued a decree that changed the course of the empire's history.