Definition
A Latin term appearing in old English legal records meaning litigious, or more precisely, subjected to a course of law. The term describes a person or matter that has been drawn into legal proceedings — one who is in contention before a court, or against whom legal process has been commenced. Bouvier renders it most concisely: "subjected to a course of the law."
Common Confusion
LEGIOSUS should not be confused with the broader modern sense of litigious as a personality trait or general propensity to file lawsuits. In its historical legal usage, the term is narrower and more procedural: it describes the specific condition of being subject to ongoing legal process, not a character disposition. A researcher encountering the term in a medieval or early modern record is reading a status indicator, not an editorial judgment about the person named.
Why It Matters in Research
This term appears almost exclusively in old English records — medieval court rolls, plea rolls, and similar documentary sources — and is effectively obsolete in modern legal usage. Researchers working in the Law Mind corpus should be alert to several points.
First, the term is a status marker. When LEGIOSUS appears in a historical record, it is typically identifying that a named person has been made subject to a legal proceeding or course of law, which has implications for reading the record correctly. It is not merely descriptive; it signals a procedural fact that may be the primary legal content of the entry.
Second, all five source dictionaries in the Law Mind corpus agree substantially on the core meaning, but the entries for LEGIOSUS in Black's (both editions), Rapalje & Lawrence, and Burrill are embedded in larger blocks of Latin maxims beginning with "Legis" — the typographic proximity to LEGIS CONSTRUCTIO NON FACIT INJURIAM and LEGIS INTERPRETATIO LEGIS VIM OBTINET is an artifact of alphabetical arrangement, not a substantive connection. Researchers should be careful not to conflate these adjacent maxims with the definition of LEGIOSUS itself.
Third, because the term belongs to Law Latin and appears in formulaic medieval records, its presence in a document is itself a dating and context clue. Documents using LEGIOSUS as a term of art predate the displacement of Law Latin from English legal records, which occurred formally in England with the Proceedings in Courts of Justice Act 1731. A researcher encountering it in a post-1731 document should treat the usage as either archaic reproduction, scholarly quotation, or transcription from an earlier source.
Fourth, the corpus connection to COWELL is significant. All source dictionaries cite Cowell as authority, meaning John Cowell's Interpreter (1607) is the principal root source for this definition. Researchers tracing the term should consult Cowell directly rather than relying solely on secondary dictionary synthesis.
Historical Dictionary Support
The five source dictionaries are in close agreement, with only minor variation in elaboration. Black's (1st and 2nd editions) and Rapalje & Lawrence define the term as "litigious, and so subjected to a course of law," following Cowell. Bouvier strips it to the essential procedural meaning — "subjected to a course of the law" — without the gloss of "litigious." Burrill is the most expansive, explicitly noting the Law Latin register ("L. Lat.") and the old records context before providing the same core definition.
No source dictionary conflicts with another on substance. The variation is one of compression versus elaboration. Burrill's notation of "L. Lat." is a useful reminder that the term is not classical Latin but the specialized medieval legal Latin that developed in English practice, a distinction that occasionally matters when tracing the term across European legal systems where cognate forms may carry different procedural weight.
None of the source dictionaries provide documentary examples beyond the Cowell citation, which limits the corpus researcher's ability to trace contextual variation in usage. The term's short entry across all sources is consistent with a word that was already archaic by the time the major English legal dictionaries were compiled.
Jurisdictional Note
LEGIOSUS is a term of English legal history and is not in active use in any modern common law jurisdiction. Researchers working in Scottish, Irish, or colonial American records may encounter related Law Latin vocabulary, but LEGIOSUS in its documented form is primarily an English phenomenon traceable through the common law records tradition.