Definition
In forest law, a goopertum is a covert: a thicket, dense undergrowth, or sheltered area within a royal forest that provided cover and refuge for wild beasts. The term designates a physical feature of the forest as a legal asset — the vegetation and terrain that sustained game, particularly the deer and other animals held under the Crown's forest jurisdiction.
Why It Matters in Research
Goopertum is a term of medieval English forest law and will appear almost exclusively in sources concerning the administration of royal forests, forest eyres, and related proceedings from the Norman period through the later medieval era. Researchers encountering the term in primary sources — plea rolls, forest surveys, verderers' records, or presentments before forest justices — should understand it as a category of protected forest resource. Destruction or unlawful clearing of a goopertum could constitute an offense under forest law, in the same way that unlawful taking of game (venison) or unauthorized clearing of land (assarting) were offenses cognizable in the forest courts.
Because the term carries no modern legal successor and does not appear in general-purpose legal dictionaries beyond specialized supplements, researchers working in early English legal history should treat it as a term of art requiring contextual reading. It is closely associated with the broader vocabulary of forest law — vert and venison, coppice rights, assart, and purlieu — and its significance in any given document depends on whether the goopertum is being described, claimed, damaged, or litigated over. The term drops out of active legal use well before the modern period and will not appear in nineteenth- or twentieth-century legal materials except as historical reference.
Historical Dictionary Support
Black's Law Dictionary (2nd Ed.), Supplemental, offers the sole dictionary treatment located for this term, defining it as a covert or thicket (dumetum) serving as shelter for wild beasts in a forest, with attribution to Spelman's Glossarium Archaeologicum. The reliance on Spelman is appropriate: his Glossarium remains one of the primary reference works for the Latin vocabulary of Anglo-Norman and medieval English law, and terms of this specificity in Black's Supplemental typically trace directly to that source.
No treatment of goopertum appears in later editions of Black's or in competing historical law dictionaries such as Bouvier's or Tomlin's. This reflects the term's extreme narrowness — it belongs to a closed legal vocabulary that ceased to generate litigation or legislation centuries before the major nineteenth-century dictionaries were compiled. Researchers should not expect corroboration across the standard dictionary shelf and should go directly to Spelman and to scholarship on medieval forest law for fuller treatment.
Jurisdictional Note
Goopertum is a term of English forest law with no counterpart in other legal traditions. It has no application to American, Scottish, or continental legal sources.