What is Day Rule, Or Day Writ?

Alternative Forms: Day-rule | day-writ
Legal Definition
English practice. A rule or order of the court, by which a prisoner on civil process, and not committed, is enabled, in term time, to go out of the prison, and its rule or bounds; a prisoner is enabled to quit the prison, for more or less time, by three kinds of rules, namely: 1. The day-rule. 2. The term-rule; and 3. The rules. See 9 East, R. 151.
-- Bouviers Law Dictionary
Legal Definition
In English law. A permission granted to a prisoner to go out of prison, for the purpose of transacting his business, as to hear a case in which he Is concerned at the assizes, etc. Abolished by 5 & 6 Viet. c. 22, ยง 12.
-- Black's Law Dictionary
Legal Definition
A court order permitting a prisoner a day out of prison.
-- Ballentine's Law Dictionary