Definition
An archaic Law French term with two distinct legal meanings recorded in early Anglo-American usage:
1. (Law French) A man. Used in early Norman-derived legal texts and pleadings to denote a male person, equivalent to the Latin *homo* in certain formal contexts.
2. (Admiralty / tidal law) A point of ebb-tide. Used in admiralty and riparian contexts to describe a tidal marker or reference point in navigable waters, relevant to questions of jurisdiction, boundary, and property rights along tidal shores.
Common Language
Modern common usage (Wiktionary): A diminutive of the male given name Columbus.
Historical common usage (Webster's 1913): A chimney, particularly a ventilating chimney over a mine shaft; also a woody valley or deep pool in provincial English and Scottish dialects.
Neither the common modern nor the historical English meanings bear any relation to the legal term. Researchers encountering *lum* in early legal materials should not assume dialectal or colloquial meaning. The term is a Law French survival and must be read in its legal context.
Why It Matters in Research
This term presents two separate research challenges depending on the legal context in which it appears.
In early pleadings and Norman-influenced texts, *lum* as "a man" is part of a broader vocabulary of Law French personal designations that researchers can conflate with Latin cognates or misread as proper names or corrupted text. Its appearance is a signal that the surrounding document likely dates to or draws upon pre-modern common law forms, and researchers should cross-reference against Law French glossaries and Anglo-Norman legal texts rather than modern dictionaries.
In admiralty and riparian law, *lum* as "point of ebb-tide" carries jurisdictional weight. Tidal boundaries were central to disputes over sovereign ownership of the seabed, fishing rights, and admiralty jurisdiction. The citation in Burrill to *Wayne, J.*, 13 Howard's R. 417, and the companion reference to *Nelson, J.* at page 425, places this usage squarely in mid-nineteenth-century U.S. Supreme Court admiralty jurisprudence. Researchers working on tidal boundary questions, coastal property disputes, or the historical scope of federal admiralty jurisdiction should treat this term as a navigational marker into that case and its surrounding doctrine. The specific volume (13 Howard's Reports, i.e., 54 U.S.) is a real and locatable primary source.
Researchers should be alert to the possibility of the term appearing in manuscript or printed legal records with variant spellings or as part of compound phrases, particularly in documents of French or Norman provenance.
Historical Dictionary Support
Burrill is the sole historical legal dictionary source for this term, and his entry is characteristically compressed. He supplies both meanings without extended commentary, relying on the case reference to carry the admiralty definition. The two meanings — person and tidal point — appear unrelated etymologically and may represent distinct borrowings or usages that happened to share a spelling in the Law French corpus. Burrill does not attempt to reconcile them, and no other major historical legal dictionary in the Law Mind corpus (Bouvier, Black, Tomlin) appears to carry a dedicated entry for *lum* in these senses.
The admiralty usage is the more legally consequential of the two, and the citation to Wayne and Nelson, JJ., in *Howard's Reports* suggests the term had live application in mid-nineteenth-century American courts rather than being a purely antiquarian survival.
Jurisdictional Note
The admiralty meaning has documented use in U.S. federal courts, as evidenced by the Howard's Reports citation. The personal-designation meaning is principally relevant to English and early colonial legal materials operating under Norman or Law French conventions. Neither usage is likely to appear in modern domestic state court practice.