C2[C]a person who will legally receive money, property, or a title from another person, especially an older member of the same family, when that other person dies: The guest of honour was the Romanov heir to the throne of all Russia.Despite having a large family, they still had no son and heir.→ See alsoheiressInheriting and bequeathing›[Cusually singular]someone who now has responsibility for dealing with a problem or situation that existed or was created earlier: The French finance minister is heir to a tradition of central control that goes back to Louis XIV.Replacing and exchanging›[Cusually singular]someone who continues to do the work of someone important who has died or who has the same position as they hadReplacing and exchanging
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