Definition
A formal procedural plea in early English common law by which a defendant excused his absence from court on the ground that he was confined to his bed by serious illness. The phrase translates literally from Law Latin as "of essoin of evil of bed" — that is, an essoin (an excuse for non-appearance) grounded specifically in the defendant's inability to rise from his sickbed. It was one of the recognized categories of essoin available under the medieval common law system, distinguishing bedridden incapacity from other permissible excuses such as being abroad in the king's service.
The plea operated as a formal delay mechanism. A defendant who successfully claimed de malo lecti was not immediately compelled to appear or answer; the court would grant him a period of grace — traditionally up to a year and a day in certain proceedings — during which his inability to travel was presumed. Because abuse of the plea was common, the law developed procedures to test its genuineness, including the sworn essoin and eventually the writ de ventre inspiciendo's procedural cousins: commissions to examine the sick party at his dwelling. Over time, courts grew skeptical of the plea and Parliament curtailed it.
Common Confusion
De essonio de malo lecti is one of several species of essoin, and researchers sometimes conflate it with the broader genus. The general term "essoin" covers any excuse for non-appearance, including absence on royal service (de servitio regis) and illness while traveling (de malo viae). De essonio de malo lecti is the narrowest and most serious of these: it asserts not merely that the party is unwell, but that he is wholly bedridden and physically incapable of travel. The practical consequence was a longer delay and more elaborate procedural machinery to test the claim. Treating all essoins as interchangeable in historical research will produce errors when the specific type of delay, the applicable grace period, or the verification procedure matters.
Why It Matters in Research
This term appears almost exclusively in sources predating the nineteenth century. By the time of the major nineteenth-century procedural reforms in England — the Common Law Procedure Acts of the 1850s — essoins as a formal category had been substantially abolished or rendered obsolete, and de essonio de malo lecti had long ceased to operate in practice. Researchers encountering the phrase in Year Books, plea rolls, or early English abridgments should understand it as a technical procedural step, not a substantive defense.
Two traps await the unwary researcher. First, the phrase appears in variant spellings across medieval and early modern sources: de malo lecti, de mala lecti, essoin de maladie du lit, and similar forms reflect scribal inconsistency and the mixed Latin-French vocabulary of medieval common law. A search limited to one spelling will miss relevant materials. Second, the procedural machinery attached to this plea — the examination of the sick party, the role of the essoiner, the grace period — is discussed in detail in Glanvill and Bracton and later systematized in Fitzherbert's Natura Brevium and the old abridgments. Researchers working on medieval procedure, the history of continuances, or the development of default rules should trace the essoin system through those sources before turning to later digests, which often treat the subject cursorily.
The term also surfaces occasionally in American colonial practice, where early courts transplanted English procedural forms wholesale. It disappears from American sources after the late eighteenth century as procedural codes were simplified.
Historical Dictionary Support
Rapalje & Lawrence define de essonio de malo lecti as an essoin cast by a defendant "when he is so dangerously ill as to be unable to attend court," identifying it as distinct from the essoin de malo viae (illness on the road) and noting that it entitled the defendant to a longer day. This is accurate as far as it goes, but the entry is brief and does not address the verification procedures or the year-and-a-day rule that distinguished this essoin from lesser ones.
The historical dictionaries as a class give thin treatment to the internal mechanics of the essoin system. Researchers should not rely on dictionary sources alone for this term. Bracton's De Legibus et Consuetudinibus Angliae and Glanvill's Tractatus de Legibus are the primary sources for how the plea actually functioned in practice, including who could cast the essoin on the defendant's behalf, what the essoiner swore, and what happened if the claim was found false. The abridgments — Fitzherbert, Rolle, Viner — provide organized secondary access to the medieval case law on essoins.
Jurisdictional Note
De essonio de malo lecti is a term of English common law with no continuing operational significance in any modern jurisdiction. Its occasional appearance in American colonial records reflects direct transplantation of English procedure; it did not survive codification. The term is purely of historical and comparative interest.
Encyclopedia Cross-Reference
See Law Mind Encyclopedia: ESSOIGN; ESSOIN