- The eldest son of a reigning monarch.More example sentences
- The Constitution of 1791 reserved the title of Prince Royal to the heir to the throne, and that of prince français to all those formerly called "princes du sang".
- In Portugal the heir apparent to the throne had the title of Prince Royal from the reign of King Edward (143338).
More definitions of Prince RoyalDefinition of Prince Royal in:
- The British & World English dictionary