An
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
The English indefinite article. In statutes and other legal documents, it is equivalent to "one" or "any;" is seldom used to denote plurality.
Kaufman v. Superior Court, 115 Cal. 152, 46 Pac. 904; People v. Ogden, 8 App. Div. 464, 40 N. Y. Supp. 827.