heira person who inherits or is entitled to inherit the rank, title, or property of anotherThe heir to the French throne was known as the Dauphin throughout the medieval and early modern periods.NoteThe heir to the French throne was known as the Dauphin throughout the medieval and early modern periods.Elon.io is an online learning platformWe have an entire course teaching TOEFL Academic Vocabulary grammar and vocabulary.Start learning TOEFL Academic Vocabulary now