Definition
Morina is a Latin term from old English law denoting murrain — a contagious or epidemic disease affecting livestock, particularly sheep. The term appears in medieval legal and agricultural texts to describe a condition that could affect the obligations, liabilities, and rights of parties in feudal tenancy arrangements, particularly where livestock formed part of the consideration or subject matter of a holding.
Why It Matters in Research
Researchers encountering morina in medieval English legal manuscripts, plea rolls, or agricultural surveys should treat it as a technical term of husbandry law, not a general legal concept with ongoing modern application. Its significance surfaces primarily in three contexts: disputes over villein tenure and manorial obligations (where the death of stock by murrain could excuse or modify a tenant's duties), livestock warranty disputes (where a seller's liability for diseased animals was at issue), and force majeure-type defenses in agrarian arrangements (where murrain, like flood or pestilence, could be pleaded as an act of God relieving a party of performance).
The term is largely extinct in modern legal usage. Researchers working with post-medieval sources will find it only as a historical artifact or in antiquarian legal writing. Its appearance in a document is a reliable signal that the surrounding text concerns medieval English agricultural or manorial law, which helps narrow the research context considerably.
Cross-corpus connections: morina is closely linked to the broader body of medieval livestock law and may appear alongside terms such as pestis (plague, applied to animals), mortalitas (mortality of beasts), and averium (draft animals or cattle), as well as in passages concerning villein services and agricultural customary law. Fleta, the 13th-century English legal treatise from which Burrill draws, is one of the principal primary sources for this term and for the legal treatment of animal disease generally in the period.
Historical Dictionary Support
Burrill's Law Dictionary provides the sole coverage among the shelf sources, citing Fleta, lib. 2, c. 79, § 6. The entry is brief and accurate: morina is murrain, a disease of sheep, in old English law. Burrill does not elaborate on legal consequences, which is the expected scope for a one-line dictionary entry of this kind.
The term does not appear to have generated significant commentary in the major English legal dictionaries beyond this level of identification. That absence is itself informative: morina was a term of practice and pleading in its time, but its legal consequences were handled under broader doctrines (villein tenure, warranty of chattels, acts of God) rather than developed into a distinct doctrinal body around the term itself. Researchers should not expect to find a rich jurisprudence attached to the word; its function was descriptive and evidentiary, not definitional of a legal rule.
Jurisdictional Note
Morina is specific to old English law. It has no recognized counterpart in Scots law, Continental civil law, or American law. Research use is confined to English medieval and early modern legal texts.