member of shogun's council of elders
老中が政務を取り仕切った。
The senior councilor managed government affairs.
徳川時代の老中は将軍を補佐した。
The Tokugawa-era senior councilors assisted the shogun.
老中は江戸幕府で最も重要な役職の一つだった。
The senior councilor was one of the most important roles in the Edo shogunate.