noun
defense of one's country; national defense
Formal or literary term for protecting the nation; often appears in historical, political, or patriotic contexts, and in compound words like 護国神社.
彼は護国のために命を捧げた。
He gave his life for the defense of his country.
護国神社は国のために戦った人々を祀っている。
Gokoku Shrine enshrines those who fought for the nation.