Head of a household; the person who acts as the family head and often bears responsibility for family decisions.
伝統的には祖父が家長として家の行事を取り仕切っていた。
Traditionally, the grandfather acted as head of the household and oversaw family affairs.
家長としての責任を果たすため、話し合いの場を設けた。
To fulfill his duties as head of the household, he set up a meeting for discussion.
法律上の扱いで、家長の権限は時代とともに変化してきた。
Legally, the authority of the family head has changed over time.