A more thorough explanation:

Definition: A drungarius (pronounced druhng-gair-ee-uhs) is a historical term used to describe a commander of a group of soldiers or a naval commander.

Example 1: In ancient Rome, a drungarius was responsible for leading a group of soldiers known as a drungus. These soldiers were typically made up of around 100 men and were used for various military operations.

Example 2: During the Byzantine Empire, a drungarius was a high-ranking naval officer who was responsible for commanding a fleet of ships. They were in charge of ensuring the safety of the ships and their crew, as well as leading them into battle if necessary.

These examples illustrate how a drungarius was a leader of a group of soldiers or sailors. They were responsible for ensuring the safety and success of their troops, whether on land or at sea.