Definition
A Latin verb appearing in medieval English legal texts meaning to appoint, fix, or designate a person or place for a specific purpose. The term is not a substantive legal concept but a term of action — it describes the act of official assignment or dedication, whether of a location set apart for a particular use or a person authorized to act in a defined capacity. In the sources where it appears, *deputare* typically attaches to a place (*locus deputatus*) or a proceeding, marking it as formally set aside or authorized for a named function.
Why It Matters in Research
This term is encountered almost exclusively in Latin quotations from Bracton's *De Legibus et Consuetudinibus Angliae*, the foundational thirteenth-century treatise on English common law. Researchers working with Bracton directly, or with medieval plea rolls and writs that echo Bracton's language, will find *deputare* embedded in procedural descriptions — particularly those involving trial by combat and the formal designation of ground for judicial duels. Because *deputare* is a functional Latin word rather than a coined legal term, it does not appear as a headword in most common law dictionaries; Burrill includes it largely to assist readers decoding Bracton passages verbatim.
The practical research trap is treating *deputare* as a term of art when it is better understood as legal Latin vocabulary. Its significance lies not in any doctrine the word itself names, but in what the surrounding phrase describes: the formal, authoritative act of setting something apart. A *locus deputatus* — a designated place — carries procedural weight in the contexts where it appears, because acting outside a designated place or before an unauthorized person could affect the validity of the proceeding. Researchers examining the procedural requirements of medieval English legal proceedings, particularly the forms of trial, should note the term as a marker of formal designation rather than as a standalone doctrine.
Because the term appears in fixed Latin phrases rather than as free-standing usage, corpus searches should focus on the phrases *locus deputatus*, *in campum deputatum*, and related constructions rather than on *deputare* alone.
Historical Dictionary Support
Burrill's Law Dictionary is the primary English-language legal lexicographic source to include *deputare* as a headword. Burrill's treatment is compact but accurate: he defines the term, provides its jurisdictional and temporal context (old English law), and supplies three folio references to Bracton. The quoted phrases are genuine Bracton passages and the folio citations are consistent with standard editions of the text.
No equivalent entry appears in later standard dictionaries such as Black's or Bouvier's, which reflects the term's status as Latinate vocabulary rather than a living common law term. For researchers working with Bracton's Latin, Burrill provides a serviceable bridge, though the full sense of any passage will require consulting Bracton in context. The Rolls Series and Woodbine editions of Bracton, with Thorne's translation, remain the authoritative resources for passages in which *deputare* appears.
Jurisdictional Note
The term belongs to medieval English legal Latin and has no meaningful modern jurisdictional distribution. It does not appear as operative language in current English or American law.