Definition
Forbannum is a Latin term from medieval English law denoting proscription or banishment — the formal exclusion of a person from the realm or from the protection of the law. A person subjected to forbannum was cast outside the legal community, stripped of the rights and protections ordinarily afforded to subjects. In its most severe application, the condition was closely allied with outlawry: the forbannus (one who has been forbanished) could be treated as an enemy of the sovereign and, in some periods, killed without legal consequence to the killer.
The term functions as both a noun describing the act or sentence of banishment and, by implication, the legal status it created.
Common Confusion
FORBANNUM vs. OUTLAWRY (UTLAGARIA): These concepts are closely related but should not be conflated. Outlawry in the common law tradition was a specific procedural consequence — a defendant repeatedly summoned and failing to appear was eventually declared an outlaw by the court, losing legal protections as a result of that procedural default. Forbannum, by contrast, describes a direct sentence or decree of banishment, imposed as a substantive punishment or political act. The effect on the subject's legal status could be similar, but the source, mechanism, and legal context differ. In corpus sources that use both terms, the distinction may be blurred; treat each occurrence on its own documentary context.
Why It Matters in Research
Forbannum is an archaic Latin form encountered almost exclusively in medieval English legal records, glossaries, and treatises — it does not appear in modern statutes or case law. Researchers are most likely to meet the term when working through Latin court rolls, Year Books, or ecclesiastical records from the Norman and early Plantagenet periods.
Two navigational points matter for corpus research:
First, forbannum overlaps substantially with the broader doctrine of outlawry but is not identical to it. Outlawry (utlagaria or utlagatio) was the formal common-law process by which a fugitive from justice was placed outside the law's protection following repeated failures to appear. Forbannum could be imposed by royal decree or other sovereign authority as a direct sentence of exile, not necessarily as a consequence of procedural default. Researchers treating the two terms as interchangeable risk misreading the mechanism and authority behind a given exclusion.
Second, the Latin root connects the term to a cluster of cognate forms — forbannitus (the person banished), forbannitio (the act), and the Old French forbannir — that appear inconsistently across medieval sources. When searching manuscript or transcribed records, querying only forbannum may miss related entries filed under variant spellings or forms.
Historical Dictionary Support
Burrill's Law Dictionary provides the essential gloss: forbannum means proscription or banishment, citing Spelman's Glossarium Archaeologicum. This is the expected treatment for a term of this vintage — a direct Latin-to-English rendering without elaboration of procedural mechanism or contextual variation.
Burrill's entry is accurate but minimal. It does not distinguish forbannum from utlagaria, nor does it address the range of authorities competent to impose the sentence (royal, ecclesiastical, or manorial). Spelman's own treatment in the Glossarium is somewhat fuller and situates the term within the feudal and ecclesiastical law of the Norman period, but even there the functional distinction from outlawry proper is not sharply drawn. Researchers relying solely on Burrill will have the meaning but not the context needed to use the term with precision in historical analysis.
Jurisdictional Note
Forbannum belongs to the legal vocabulary of medieval England and, in related forms, to continental feudal law. It has no operative meaning in any modern common-law jurisdiction and does not appear in any current statutory or regulatory framework. Its relevance is exclusively historical and archival.