heir presumptiveBrE /ˌeə prɪˈzʌmptɪv/ 🔊NAmE /ˌer prɪˈzʌmptɪv/ 🔊 noun (plural heirs presumptive) an heir who may lose his or her legal right to receive sb's property, money or title if sb with a stronger claim is born 假定继承人（其继承权会因有血统更近的继承人出生而丧失）