primogenitary

adj.长嗣继承的

与长子继承权有关的；长子继承权的；与长子先天权有关的

形容词

1. He claimed his primogenitary right to inherit the family estate.
他声称他有继承家族地产的长子先天权。

2. In this country, the law still recognizes primogenitary succession in some royal families.
在这个国家，法律仍然承认一些皇室家族的长子继承制度。