Definition
Vinculo (also appearing as el vínculo or vínculo matrimonial) is a term drawn from Spanish law meaning the bond, chain, or tie of marriage. It refers to the legal and sacramental union that marriage creates between spouses — the formal legal link that must be dissolved before either party may remarry.
The term appears most often in compound or prepositional phrases. The most significant of these is a vinculo matrimonii (from Latin, "from the bond of matrimony"), which describes a form of absolute divorce — one that fully dissolves the marriage and releases both parties from the marital bond entirely, as distinguished from a divorce a mensa et thoro, which merely separates the parties from bed and board while leaving the marriage itself intact.
Common Confusion
Vinculo is easily confused with the Latin phrase from which it derives functional meaning in English-language legal writing: a vinculo matrimonii. The two are not interchangeable. Vinculo alone is the Spanish-law term for the marriage bond as a substantive concept. A vinculo matrimonii is the Latin prepositional phrase used in English and American common law to describe a specific type of divorce. Researchers encountering vinculo in a Spanish-law context and a vinculo matrimonii in an English ecclesiastical or American divorce context are dealing with related but distinct usages. Historical sources sometimes use vinculo as shorthand for the full Latin phrase; context is essential.
Why It Matters in Research
Researchers will encounter vinculo primarily in two distinct contexts, and conflating them will cause errors.
First, in materials touching Spanish colonial law — including sources governing Louisiana, Florida, Texas, California, and other territories with Spanish legal heritage — vinculo refers to the substantive marital bond as understood within the Spanish civil and ecclesiastical tradition. White's New Recopilación, cited consistently across the historical dictionaries, is the gateway treatise for this usage. Researchers working in Spanish-heritage jurisdictions on questions of marriage validity, inheritance rights, or community property will need to understand that the vínculo concept carried both civil and canonical weight.
Second, in English and American divorce law, particularly before the mid-nineteenth century, a vinculo matrimonii is the operative phrase distinguishing absolute divorce (full dissolution) from legal separation. Early American jurisdictions largely inherited their divorce vocabulary from English ecclesiastical courts, which maintained this a vinculo / a mensa distinction. When legislative divorce became more common in the United States through the early and mid-1800s, statutes frequently used a vinculo matrimonii as the technical descriptor for full dissolution. Researchers reading antebellum divorce statutes, legislative divorce bills, or equity court records must recognize this phrase as a term of art with specific legal consequences — particularly regarding remarriage rights and property consequences.
A trap in historical sources: older American cases and treatises sometimes abbreviate a vinculo matrimonii as simply "a vinculo" or, more rarely, as "vinculo," dropping the matrimonii entirely. This shorthand occurs often enough to mislead researchers who are unfamiliar with the full phrase.
Corpus connections: entries for Divorce, A Mensa et Thoro, and Matrimony will provide essential context. The distinction between the two divorce forms is one of the more consequential structural features of pre-modern Anglo-American family law and appears repeatedly in equity and ecclesiastical court materials.
Historical Dictionary Support
The three source dictionaries — Black's (1st and 2nd editions) and Burrill's — are in complete agreement, reproducing nearly identical definitions limited to the Spanish-law meaning: the bond, chain, or tie of marriage. All three cite the same authority: White's New Recopilación, Book 1, Title 6, Chapter 1, Section 2.
This unanimity reflects how narrowly these dictionaries scoped the entry. None of the three sources addresses the Latin phrase a vinculo matrimonii under this headword, treating it instead as a separate entry. Researchers relying solely on the vinculo entry in historical dictionaries will miss the prepositional phrase usage that dominates English-language legal writing. The historical dictionaries' silence on that connection is a genuine gap.
Burrill's entry notes the Spanish derivation from Latin vinculum (chain, bond), which is accurate and helps clarify that this is not an independent coinage but a Spanish adaptation of classical Latin legal vocabulary.
Jurisdictional Note
Vinculo as a substantive term carries particular weight in states with Spanish legal heritage — Louisiana, California, Texas, Florida, New Mexico — where Spanish colonial law formed part of the foundational legal background. In these jurisdictions, historical materials may engage with the vínculo concept as part of marriage and community property analysis. The a vinculo matrimonii phrase, by contrast, was used across American jurisdictions generally, wherever English ecclesiastical divorce vocabulary was received.