Definition
Pronounced and encountered in historical legal sources as a Latin term, "ces" (also rendered "cest" or appearing as a root in compound forms) functions in older common law and civil law texts primarily as a component of legal French and Latin phrases rather than as a freestanding term of art. In its most direct appearance in the historical record, it is found within maxims and doctrinal expressions of the feudal and common law tradition.
As encountered in Bracton and the tradition Burrill cites, the surrounding maxim — that one must first catch one's stag before one can skin it — expresses a foundational principle of contingency in legal rights: a right or remedy cannot be exercised against a subject that has not yet been secured or reduced to possession. The Latin "excoriare" (to skin or flay) pairs with this to produce a principle that preconditions legal action on prior establishment of the underlying entitlement.
In broader historical legal usage, "ces" also appears as a contraction or variant of the Old French "cest" (this, that) in Law French compounds such as "cest action" (this action) or "cest estate," functioning grammatically rather than as a substantive legal term.
Common Language
Modern common usage (Wiktionary): An initialism for several medical and scientific terms, including cauda equina syndrome (a spinal nerve condition), cat eye syndrome (a chromosomal disorder), and constant elasticity of substitution (an economics concept).
Historical common usage (Webster's 1913): Not recorded as a standalone English word.
The gap between common and legal usage here is total: modern common usage of "CES" is entirely medical and scientific, while historical legal usage is rooted in Latin and Law French textual traditions. Researchers encountering "ces" in legal sources should recognize it as belonging to the classical legal language stratum, not to any modern technical vocabulary.
Common Confusion
"Ces" is easily confused with "cest" (Old French demonstrative, meaning "this") and with the abbreviation "C.E.S." in modern administrative or regulatory contexts. In feudal law texts, it may also appear adjacent to "cestui" (as in cestui que trust, cestui que vie), which are unrelated in meaning despite the shared orthographic root. Researchers should not assume that "ces" in a historical source connects to the cestui que trust line of doctrine without confirming context.
Why It Matters in Research
The principal research trap with "ces" is misidentification. When encountered in Bracton-era or early common law sources, it is almost always a Latin or Law French grammatical particle or fragment rather than a defined term. Its appearance in the maxim Burrill records — concerning catching a stag before skinning it — places it squarely within the tradition of conditional rights doctrine, where a claimant's remedy is limited by prior entitlement to the subject matter.
Researchers working in the Law Mind corpus should flag several navigational issues:
First, full-text searches for "ces" in historical texts will return enormous noise, as it appears as a grammatical fragment across hundreds of maxims and pleading forms. Narrowing searches by pairing with surrounding Latin terms (excoriare, prius, capiendum) will isolate the relevant doctrinal passages.
Second, the maxim Burrill records from Bract. fol. 191 is a genuine reference to Bracton's De Legibus et Consuetudinibus Angliae, one of the foundational texts of English common law. Researchers interested in the conditional-rights principle expressed by the stag-skinning maxim should trace it through Bracton directly rather than relying on secondary dictionary summaries.
Third, the principle embedded in the maxim has living descendants in modern doctrine — particularly in the requirement of a vested or perfected interest before certain remedies attach — and tracing this lineage requires moving from the Latin maxim tradition through equity doctrine and into modern procedure.
Historical Dictionary Support
Burrill's entry is brief and contextual, using "ces" within a Latin maxim passage rather than defining it as a standalone term. The entry at page 268 records the proverbial expression about catching a stag before skinning it (illum excoriare), citing Bracton folio 191. Burrill treats this as illustrative of a broader doctrinal point about contingent rights rather than as a term requiring independent definition.
The historical dictionaries broadly do not treat "ces" as a substantive legal term; it appears across the classical legal dictionary tradition as a linguistic artifact of Law French and Latinate pleading rather than a concept with its own analytical framework. This is consistent with the term's function: it is a particle of legal grammar, not a doctrine.
Jurisdictional Note
The maxim and its underlying principle appear across common law jurisdictions inheriting the English tradition. Civil law jurisdictions share the conceptual parallel (a right cannot be enforced before it is established) but would not use this Latin formulation.