Definition
In old English feudal law, bas chevaliers (from the French, meaning "low knights") were inferior or lesser knights who held their rank by tenure of a base military fee. They occupied the lowest tier of the knightly class in the feudal hierarchy, positioned below barons and bannerets, who were counted among the chief or superior knights. A bas chevalier's status derived from the character of his tenure—a base military fee—rather than from any personal dishonor or deficiency. The term reflects the graduated structure of feudal military obligation, in which rank, obligation, and landholding were intertwined.
Common Language
Modern common usage (Wiktionary): "Chevalier" denotes a knight or a member of certain orders of merit, particularly in French and French-derived contexts. "Bas" means low or base.
Historical common usage (Webster's 1913): Not independently defined as a compound; "chevalier" appears as a horseman, knight, or gallant gentleman. "Bas" as a prefix or modifier carries the sense of low or inferior in rank.
The compound term as a legal category is not colloquial. While its French components are transparent to a modern reader, the legal meaning is wholly technical: it describes a specific feudal tenure-based rank within the English military hierarchy, not a general characterization of a person's social standing or moral worth.
Why It Matters in Research
Bas chevaliers is a term of purely historical interest; it has no operative meaning in modern law. Researchers will encounter it only in sources dealing with English feudal tenure, medieval military organization, or the history of knighthood and peerage.
The primary research trap is conflating the "base" in "base military fee" with moral or social baseness. In feudal tenure law, "base" describes a tenure held by villein or inferior military service—one that did not carry the same dignity or conditions as a tenure in chivalry at the highest grades. A bas chevalier was not a disgraced knight; he was simply one whose landholding placed him at the lower end of the military tenure spectrum.
Researchers tracing the feudal hierarchy should follow the vertical chain carefully: at the top sat the king; below him, barons and bannerets (holding by superior military tenure and entitled to lead men under their own banner); below them, bas chevaliers (holding by a base military fee and owing personal military service but not the leadership obligations of the higher grades). Confusion between these ranks in historical documents can distort conclusions about land rights, obligations, and inheritance rules.
The term also surfaces in discussions of the distinction between tenure by knight's service and tenure by base tenure more broadly. Researchers working on feudal land law, the development of the common law of real property, or the history of the peerage system will want to follow this term into its neighboring concepts: base tenure, knight's fee, banneret, and frankalmoin.
No known modern statutory or case law application. If the term appears in a legal instrument post-abolition of military tenures (see the Tenures Abolition Act 1660 in England), it is either ceremonial, antiquarian, or quoted from an older source.
Historical Dictionary Support
The four historical dictionaries are in close agreement on substance. All four define bas chevaliers as inferior knights holding by a base military fee and contrast them with barons and bannerets as the superior class. Burrill and Black track each other nearly word for word, both citing Cowell's Interpreter as authority. Bouvier cites Kennett's Parochial Antiquities and Blount. Rapalje & Lawrence cite Blount, Cowell, and Kennett's Glossary, and are notable for appending a separate entry for "Base Court" immediately after, which underscores the shared "base" terminology across feudal law concepts without conflating them.
The historical dictionaries are consistent but thin. None of them elaborate on the practical legal incidents of a base military fee as opposed to a superior knight's fee, and none engage with how bas chevaliers figured in litigation or conveyancing disputes. For deeper treatment, the researcher must move beyond these dictionary entries to Coke's Institutes, Bracton's De Legibus, or Blackstone's Commentaries on feudal tenure.
Jurisdictional Note
This term is specific to English feudal law. It has no recognized counterpart in Scots law, American law, or continental European legal systems, though parallel hierarchies of military tenure existed throughout medieval Europe under different terminology.