This is the 8900th most frequent Japanese word.
武家
Samurai family or warrior class.
Here, '武家' is used to represent the general category of the warrior class in historical contexts.
武家社会では、武士たちが中心的な役割を果たしました。
In warrior society, samurais played a central role.
In this sentence, '武家' refers specifically to a family of warriors.
武家の子孫として、彼は伝統を守る責任を感じています。
As a descendant of a warrior family, he feels a responsibility to uphold tradition.
In this context, '武家' relates to the residences typically inhabited by members of the warrior class.