Definition
A Latin term meaning an image, figure, or representation of a thing. In legal contexts, *icona* appears primarily in older civil and ecclesiastical proceedings where a visual likeness or depiction of a person, object, or symbol required formal identification or description — for instance, in disputes over sacred images, seals, coats of arms, or identifying marks on property. The term is rarely encountered outside historical legal texts and has no active doctrinal role in modern law.
Common Confusion
*Icona* should not be confused with *icon* in its contemporary digital or interface sense. In historical legal usage, the term carried the specific Latin meaning of a physical representation — a portrait, effigy, seal, or emblem — not an abstract symbol or a navigational element. Researchers encountering the term in modern contexts almost certainly have a source-translation artifact rather than a live legal concept.
Why It Matters in Research
This term is essentially a fossil term — it appears in historical legal texts but carries no ongoing doctrinal weight. Researchers will encounter *icona* almost exclusively in medieval and early modern sources, canon law materials, ecclesiastical court records, and Roman-derived civil law texts. Its presence in a document is itself a dating and provenance signal: any source using *icona* as a legal term of art almost certainly predates the eighteenth century or is quoting from earlier authority.
The practical research trap is misidentifying *icona* as a term with independent legal meaning when it is functioning purely as a descriptive Latin noun — equivalent to saying "the image" or "the likeness" in English. It does not signal a distinct legal doctrine or cause of action.
Corpus researchers should note that both editions of Black's Law Dictionary and Bouvier trace the term to Du Cange — specifically to Charles du Fresne, sieur du Cange, whose *Glossarium Mediae et Infimae Latinitatis* (1678) is the foundational reference for medieval Latin legal and ecclesiastical vocabulary. Any deep research into *icona* as used in a primary source should route through Du Cange rather than through common law or equity authorities, which do not engage with the term.
Connections within the Law Mind corpus are most likely found in materials touching ecclesiastical law, heraldry, seal authentication, or property identification in civil law jurisdictions.
Historical Dictionary Support
All three source dictionaries reproduce the same compact definition with only minor variation in phrasing: an image, figure, or representation of a thing. All three cite Du Cange as the authority, indicating that none of the standard common law dictionaries treated *icona* as a native common law term — they were recording it as received civil or canon law vocabulary.
The uniformity across Black's (both editions) and Bouvier is notable precisely because it signals that no independent American or English doctrinal development occurred around this term. Where Bouvier might otherwise expand upon a civil law concept and Black's might note case law application, both here simply pass along the Du Cange gloss without elaboration. This silence is informative: *icona* never acquired a specialized legal meaning in Anglo-American practice beyond its Latin descriptive sense.
What the historical dictionaries do not address is the term's specific role in ecclesiastical disputes — particularly debates over sacred images in canon law, where *icona* (or its Greek cognate *eikon*) had significant theological and jurisdictional weight in medieval and Byzantine legal contexts. Researchers working in that space will find the dictionary entries inadequate starting points.