Definition
In old European law, to confederate; to bind together in a league or alliance. The term describes the act of entering into a formal compact among parties — typically nobles, cities, or political entities — by which they pledged mutual obligation and collective action. Derived from Latin legal usage and associated with the feudal and early medieval continental context in which such leagues carried both political and legal force.
Why It Matters in Research
INLIGARE is an archaic Latin term found in historical legal sources touching on feudal relations, medieval European political arrangements, and the law of alliances. Researchers are unlikely to encounter it outside of Latinate treatises, glossaries of feudal law, or sources interpreting medieval charters and instruments of confederation. Its appearance in a document signals the medieval or early modern continental European context of that source.
The term is nearly absent from English common law materials. It surfaces in English-language legal dictionaries largely because those dictionaries — particularly Spelman's Glossarium, which both Black's editions and Burrill cite — served as comprehensive repositories of feudal and civil law vocabulary, not because INLIGARE had operational use in English courts.
Researchers working with English legal history should note the distinction: the law of leagues and confederacies in English sources is handled under different vocabulary (conspiracy, covenant, confederation). INLIGARE belongs to the civil and feudal law strand of the dictionary tradition, preserved for completeness rather than practical frequency.
The sole cited authority across all three source dictionaries is Spelman — almost certainly Sir Henry Spelman's Glossarium Archaiologicum (published posthumously, 1664), the foundational glossary of medieval Latin legal and historical terms used in English and European sources. Any further investigation into this term should begin there.
Historical Dictionary Support
All three historical sources — Black's (1st Ed.), Black's (2nd Ed.), and Burrill's — are in complete agreement, reproducing the same definition verbatim: "To confederate; to join in a league, (in ligam coire.)" Each attributes the term to Spelman. There is no divergence, elaboration, or independent development across the dictionaries. This uniformity is characteristic of archaic Latin terms of limited practical currency: later dictionaries simply carried forward the earlier formulation without expanding on it.
The Latin gloss provided — in ligam coire, meaning literally "to come together into a league" — is more descriptive than the single-word English rendering and better captures the collective, binding character of the act. The root ligam (league, bond) is cognate with ligare (to bind), situating the term within the broader family of Latin legal concepts concerned with obligation and binding force.
What the historical dictionaries do not provide: any contextual examples, documentary instances, distinctions among types of confederation covered, or guidance on how the term appeared in actual instruments. The entry in all three sources is definitional only, derived from a single glossarial authority, and reflects the limits of dictionary treatment for a term of purely historical and antiquarian interest.