Definition
An abridgement is a condensed version of a larger work in which the principal ideas and substance of the original are preserved but expressed more briefly. In legal usage, the term carries two distinct meanings:
1. Literary / Copyright context. A condensation or epitome of a larger work that captures the essential content of the original in shorter form. Historically, a skillfully made abridgement was treated as a new and independent work rather than a mere copy—a distinction with significant consequences for copyright liability.
2. Legal compilation context. A systematic digest or summary of legal authorities, cases, or statutes arranged for reference. The great English abridgements (Brooke, Viner, Comyns, and others) were standard research tools before organized law reporting matured, and they remain primary sources for early common law.
The two meanings share a root concept—compression of a larger body of material—but arise in entirely different research and legal contexts.
Common Language
Modern common usage (Wiktionary): Listed as an alternative form of "abridgment," with no independent definition. Common usage treats abridgement and abridgment as interchangeable spelling variants meaning a shortened version of a book or other text.
Historical common usage (Webster's 1913): A condensation of a larger work; also, the act of abridging or the state of being abridged. Webster's also recognized a secondary sense of curtailment or deprivation (as in "abridgement of rights").
The legal gap worth noting: In common usage, abridgement simply means a shorter version of something. In copyright law, the question was never just length—it was whether the condensed work represented sufficient intellectual labor and transformation to constitute an independent creation. A work could be shorter than the original and still infringe; it could be substantially shorter and yet qualify as a new work if the labor of selection and compression added something. That distinction is invisible in ordinary usage.
Recognized Forms
/ SUBTYPES
1. Literary Abridgement (Copyright). A condensation of a copyrighted work. Under early Anglo-American copyright doctrine, a fair abridgement did not infringe the original copyright because it was deemed a new work requiring its own intellectual effort. This principle predates modern fair use doctrine and is its conceptual ancestor.
2. Legal Abridgement (Digest / Compilation). A systematic arrangement of legal rules, cases, or statutes—essentially what would today be called a digest. The English abridgements of Brooke, Fitzherbert, Rolle, Viner, and Comyns are the canonical examples. These were primary research tools, not secondary commentary.
Why It Matters in Research
Researchers encounter abridgement in two contexts that require different navigation instincts.
In copyright research, the abridgement doctrine is the historical precursor to fair use and the idea-expression distinction. Pre-twentieth-century sources treat abridgement as a recognized exemption category in its own right. Modern doctrine has absorbed and restructured this analysis under fair use factors, so the language used in historical sources will not map cleanly onto current statutory or case-law frameworks. A researcher tracing the development of fair use must pass through the abridgement cases.
In historical legal research, the legal abridgements are themselves primary sources—or at minimum, the closest available record of early common law rules. Bouvier cites Brooke's Abridgement directly as authority. When a historical source cites "Brooke, Abr." or "Viner, Abr." without further detail, the researcher is being pointed to one of these great compilations, not to a modern digest. Knowing the difference between a legal abridgement (a research tool of its era) and a literary abridgement (a copyright concept) is essential for reading older legal materials without confusion.
A further trap: early cases and treatises use "abridgement" to mean curtailment of legal rights (as in abridgement of the freedom of speech or of the privileges of citizens). The First Amendment's text prohibits laws "abridging" freedom of speech—a usage carrying constitutional weight that is entirely separate from either the copyright or the compilation meaning. A corpus search on "abridgement" in constitutional materials will surface this third register, which should not be conflated with the others.
Historical Dictionary Support
Bouvier's Law Dictionary gives the copyright meaning primary treatment: an abridgement, when fairly made, is a new work whose publication does not infringe the copyright of the original. Bouvier emphasizes that the abridgement must be something more than a mere copy of the whole or parts—intellectual labor in selection and compression is required. Bouvier also implicitly recognizes the legal compilation meaning by citing Brooke's Abridgement as an authority alongside case citations.
What historical dictionaries largely omit: they do not address the constitutional sense (abridgement of rights or liberties), which operates as a separate term of art in public law. They also do not anticipate that the copyright doctrine of fair abridgement would eventually be restructured under a multi-factor fair use framework, making the historical category less operationally distinct than it once appeared.
The citations Bouvier supplies—Williams's Saunders, Peters Reports, and Stearns on Real Actions—point to specific procedural and copyright contexts that reward follow-up for researchers working in those areas.
Jurisdictional Note
The fair abridgement doctrine developed primarily in English equity courts and was carried into early American copyright law. U.S. copyright law no longer recognizes abridgement as a distinct exemption category; the analysis now proceeds under the fair use factors codified in the Copyright Act. Researchers applying historical abridgement doctrine to modern questions must account for this structural shift.
Encyclopedia Cross-Reference
Law Mind Encyclopedia — Copyright
Law Mind Encyclopedia — First Amendment (Freedom of the Press)
Law Mind Encyclopedia — Legal Research Methods (Historical Sources)