Definition
Ad gaoles deliberandas is a Latin phrase meaning "to deliver the gaols." It describes the commission or writ by which judges were authorized to clear a gaol (jail) of prisoners by trying all persons held there and disposing of their cases. A commission ad gaoles deliberandas empowered the judges to hear and determine the cases of all prisoners confined in a particular gaol, whether by acquitting, convicting, or otherwise discharging them. The phrase is effectively shorthand for the authority underlying gaol delivery — the formal mechanism by which the Crown ensured that prisoners were not held indefinitely without trial.
Common Language
Modern common usage (Wiktionary): No entry. The phrase has no meaningful presence in modern ordinary English.
Historical common usage (Webster's 1913): No entry. By the late nineteenth century, the term had retreated entirely into legal and historical usage.
This is pure legal Latin with no common-language counterpart. The individual words — gaol (jail) and deliberandas (to be delivered, freed, or cleared) — are intelligible to Latin readers, but the phrase as a legal formula belongs entirely to the English common law tradition and requires no comparison to lay usage.
Why It Matters in Research
Researchers encounter this phrase almost exclusively in historical sources — medieval and early modern English legal records, commission books, and treatises on criminal procedure. Several navigation points are worth noting.
First, the phrase is a variant form. Sources will use ad gaolas deliberandas or ad gaolos deliberandas interchangeably, reflecting inconsistent Latin spelling across different periods and copyists. Do not treat spelling variations as distinct commissions.
Second, the term is functionally a cross-reference term rather than a standalone doctrine. Its legal substance lives under gaol delivery and general gaol delivery. Researchers who encounter ad gaoles deliberandas in a primary source should pivot immediately to those headings for doctrinal content, procedural rules, and the broader history of the commission system.
Third, the phrase appears in commission language rather than in case reporters or statutes. It is most likely to surface in rolls, patent books, and chancery records rather than in reported decisions. Researchers working in English legal history, criminal procedure, or the history of the assizes will encounter it in that documentary context.
Fourth, this commission was one of several traveling-court mechanisms, alongside nisi prius, oyer and terminer, and assize commissions. Understanding the relationships among these overlapping authorities is essential to correctly reading any document that invokes ad gaoles deliberandas. A commission might be ad gaoles deliberandas alone or in combination with other powers, and the scope of judicial authority varied accordingly.
Historical Dictionary Support
Bouvier's Law Dictionary provides the entry in its most compressed form: "To deliver the gaols," with a citation to Burrill's Law Dictionary and a redirect to gaol delivery and general gaol delivery. This is characteristic of how nineteenth-century American law dictionaries treated Latin maxims and writs that were already archaic — preserving the phrase for completeness while routing substantive treatment elsewhere.
The Bouvier entry does not address the historical operation of the commission, its origins in medieval English procedure, or its relationship to the broader assize system. Researchers should not expect historical dictionaries to carry that weight for a term this specialized. The real content is in the treatise tradition — Blackstone's Commentaries, Hale's Historia Placitorum Coronae, and similar works on English criminal procedure — rather than in dictionary sources.
What historical dictionaries agree on is simple: the phrase is a descriptor of authority, not a cause of action or a substantive legal right. It names a power held by commissioners or judges, and its significance is procedural and institutional.
Jurisdictional Note
This term is specific to the English common law tradition and has no meaningful application in American law. American courts did not adopt the gaol delivery commission system. Researchers in American legal history will encounter the phrase only in sources discussing English origins or in comparative treatments of criminal procedure.
Encyclopedia Cross-Reference
See Encyclopedia: Gaol Delivery