heir apparent
heir apparent 当然继承人 指确定进行继承的继承人，这类继承人只因为自己先于被继承人死亡或在有效遗嘱中被剥夺其权利才丧失继承权。也可写作apparent heir。君主之长子，或长子死亡时该长子之长子，为王位之当然继承人。女性后裔不可为当然女继承人，其继承权可因当然继承人出生而废除。
heir apparent
heir apparent
An heir who is certain to inherit unless he or she dies first or is excluded by a valid will. — Also termed apparent heir. Cf. heir presumptive. [Cases: Descent and Distribution 68. C.J.S. Descent and Distribution § 68.]