Definition
A seignory is the bundle of rights and obligations constituting the relationship between a feudal lord (the seigneur or mesne lord) and a tenant who holds land of him. It is not the land itself but the lordship over the land — the legal relationship created when a tenant held an estate from a superior, entailing reciprocal duties of service, fealty, and homage on the tenant's side, and protection and warranty on the lord's side. In the event of escheat or forfeiture, the lord's reversionary interest in the land was also an incident of the seignory.
More precisely: a seignory came into existence through subinfeudation — the act by which a tenant in fee-simple, before the Statute Quia Emptores (1290), granted land to another to hold of him rather than of his own superior lord. The grantor thereby became lord, the grantee became tenant, and the relationship between them was the seignory. The seignory thus existed independently of the physical land; it was an abstract legal relation secured by and attached to the tenure.
Common Language
Modern common usage (Wiktionary): Listed only as an alternative form of seigniory; no independent common meaning in modern English.
Historical common usage (Webster's 1913): Not separately available for this entry; the term belongs almost entirely to the vocabulary of feudal land law and has never carried a distinct lay meaning.
The absence of a living common meaning is itself informative. Unlike terms such as "consideration" or "title," seignory never migrated into general speech. Researchers encountering the word outside a legal or historical text should treat it as a direct borrowing from feudal land law discourse, not a general-purpose synonym for lordship or dominion.
Common Confusion
Seignory is frequently conflated with two adjacent concepts: the manor and the fee. A manor was a territorial and administrative unit; a seignory was a legal relationship. A fee described the estate held by the tenant; the seignory described the lord's corresponding rights. A single lord might have many seignories without holding a manor, and a manor typically contained multiple seignories. Researchers should also distinguish seignory from the term seigniory, which is an accepted variant spelling and carries identical legal meaning — the two words are interchangeable, not distinct doctrines.
Core Elements
The legal content of a seignory comprised three components:
1. Services. The tenant owed specified services to the lord — typically knight service, socage (agricultural), or serjeantry — as the condition of holding. The nature of service defined the type of tenure and, by extension, the character of the seignory.
2. Fealty. An oath of fidelity binding the tenant personally to the lord. Fealty was considered the essential incident of every tenure except frank almoign; its breach could support forfeiture.
3. Reversionary interest on escheat or forfeiture. If the tenant died without heirs or committed a felony, the land escheated to the lord of the seignory. This reversionary interest was the primary reason seignories retained economic and legal value even after services had become nominal.
Recognized Forms
/SUBTYPES
Seignory in gross: A seignory severed from any dominant tenement — that is, a lordship existing without the lord himself holding land of a superior in the same tenurial chain. Such a seignory could be granted or released independently.
Seignory appendant: A seignory attached to and passing with the lord's own freehold estate. The more common form in classical common law analysis.
Why It Matters in Research
Seignory is a term of almost purely historical significance; it has no active role in modern Anglo-American property law. Researchers will encounter it overwhelmingly in pre-1290 English land law sources, in treatises explicating the structure of feudal tenure (Littleton, Bracton, Coke upon Littleton), and in any corpus material dealing with the incidents of tenure — wardship, relief, escheat, forfeiture, and homage.
The critical navigational fact is the Statute Quia Emptores 1290. That statute abolished subinfeudation for estates in fee-simple: thereafter, a conveyance by a tenant substituted the new holder in the tenurial chain rather than creating a new subordinate seignory. After 1290, new seignories could not be created at common law (except by the Crown). Any source discussing seignory in the context of ongoing creation or active enforcement of services must therefore be read as either pre-1290, concerned with surviving pre-existing seignories, or addressing a jurisdiction (such as colonial grants or certain Canadian and Quebec contexts) where feudal tenure was formally preserved into a later period.
Trap for researchers: historical sources sometimes use seignory loosely to mean the lord's estate or the territorial unit of a manor. Read contextually — the strict legal meaning (the relationship and incidents, not the land) may not be what a particular author intends.
Corpus connections: entries and materials touching escheat, tenure, subinfeudation, and the incidents of knight service will require understanding of seignory as the structural mechanism underlying those doctrines.
Historical Dictionary Support
Rapalje & Lawrence give the cleanest technical definition available in the American legal dictionary tradition: "A seignory is the relation of a feudal lord to his tenant, and to the land held by him." They illustrate with the paradigm case — A., a tenant in fee-simple before Quia Emptores, conveys to B. to hold of A. — and correctly identify A.'s resulting rights (services, fealty, reversionary interest on escheat or forfeiture) as the substance of the seignory. The Norman-French derivation from seignur and the Latin senior is noted, correctly locating the term in the French-inflected vocabulary of post-Conquest English law.
What Rapalje & Lawrence do not address, as a concise dictionary entry, is the post-Quia Emptores trajectory: the doctrine of seignories in gross, the treatment of surviving seignories after the Tenures Abolition Act 1660, or the persistence of feudal tenure concepts in colonial and Commonwealth jurisdictions. For those dimensions, Blackstone's Commentaries (Book II) and Coke upon Littleton remain the foundational treatise sources.
Jurisdictional Note
Seignory as a functioning legal concept was effectively terminated in England by the combined operation of Quia Emptores 1290 and the Tenures Abolition Act 1660. In the United States, feudal tenure was generally rejected at the founding, though early land grant structures in some states (notably New York's patroon system and certain Southern proprietary grants) created quasi-seignorial relationships that generated litigation into the nineteenth century. Quebec civil law preserves vestiges of seigneurial tenure in historical title chains. Researchers working in Canadian property law or colonial American land grant materials should be alert to these survivals.
Encyclopedia Cross-Reference
See: Feudal Tenure | Escheat | Subinfeudation