A more thorough explanation:

Definition: In Law Latin, ingenuitas regni refers to the freemen, yeomanry, or commonalty of the kingdom. It can also be applied to the nobility.

Example: During the Middle Ages, the ingenuitas regni played an important role in the governance of England. They were the backbone of the country's economy and society, and their rights and privileges were protected by law.

Explanation: The example illustrates how the term ingenuitas regni was used to refer to the common people of the kingdom, who were free and had certain rights and privileges. These people were not necessarily nobles, but they were an important part of the social and economic fabric of the country.