Definition
A Latin term used in old English law meaning "abbreviation." In the context of medieval legal records, abbreviatio refers to the system of contracted or shortened writing found in historical legal manuscripts and official documents, including the Domesday Book and entries in various registers. Scribes employed a range of arbitrary marks — dashes, turns, and other symbols placed upon, through, or over retained letters — to indicate omitted text. The governing interpretive principle was practical: the number (singular or plural) and sense of an abbreviatio was to be read in whatever way would render the grant or entry meaningful rather than void. The maxim, as preserved in Burrill, is: Abbreviationum ille numerus et sensus accipiendus est, ut concessio non sit inanis — "In abbreviations, that number and that sense is to be taken by which the grant is not rendered void."
Why It Matters in Research
Researchers working with pre-modern English legal records — particularly Domesday Book, the Chancery rolls, plea rolls, and other enrolled instruments — will encounter abbreviatio throughout. These contractions are not mere scribal convenience; they carry legal weight, because misreading or misexpanding an abbreviation in a grant or conveyance could affect whether the instrument was construed as valid. The interpretive canon embedded in Burrill's entry — that the expansion favoring validity controls — is an early expression of what later becomes a general principle of charitable construction of legal instruments.
The practical research trap: abbreviations in medieval records are not standardized across time, place, or document type. A mark that signals one omission in a Chancery record of one century may signal something different in a manorial court roll of another. Researchers relying on printed calendar editions or transcriptions must be aware that editorial expansion of these contractions is itself an act of interpretation, and that expansion choices in nineteenth- and early twentieth-century calendars were sometimes made without full awareness of regional or temporal variation. Where the original manuscript is accessible, comparison is advisable for any term that affects the legal meaning of a grant.
Historical Dictionary Support
Burrill's Law Dictionary is the primary shelf source treating this term, and its entry, though fragmentary in the surviving text, captures the essential doctrinal point. Burrill correctly situates abbreviatio within the corpus of old English legal Latin and links it to Domesday Book specifically, which is a useful anchor for researchers. The maxim he preserves (Abbreviationum ille numerus et sensus accipiendus est, ut concessio non sit inanis) appears to derive from civil and canon law learning absorbed into English practice through the learned legal tradition. No other standard historical legal dictionary in the Law Mind corpus — not Black's, not Bouvier — treats abbreviatio as a term of art, which is consistent with its character as a term of paleographic and diplomatic practice rather than substantive doctrine. Researchers should not expect to find it glossed in common-law practitioner dictionaries. For deeper treatment, the relevant literature is in medieval diplomatic and paleographic scholarship rather than in legal dictionaries proper.
Jurisdictional Note
Abbreviatio as a term of art is essentially confined to historical English legal records and documents produced under the influence of medieval Latin scribal practice. It has no operative meaning in modern legal systems, but remains relevant in any jurisdiction whose property or land title records trace back to pre-modern English instruments.