noun
middle watch; midnight to 2am watch
Historical term for the middle watch of the night, roughly from midnight to 2am, in traditional timekeeping systems. Rare in modern usage.
江戸時代の夜回りでは、中更は真夜中の見張りを担当した。
In the night patrols of the Edo period, the middle watch was responsible for guarding during the dead of night.