boon days
boon days (英格兰古法)劳役日 每年中保有公簿地产的佃户向领主提供劳役的日期。
boon, n. Hist. Unpaid services, rendered in kind or labor, without being fixed in amount or time, that some tenants owed to the landowner as a condition of tenancy.
boon day. (usu. pl.) Hist. One of several days in the year when copyhold tenants were obliged to perform base services for the lord (such as reaping corn) without pay. — Also termed due day. — Sometimes (erroneously) termed bind day.