Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.
  • Black's Law Dictionary: 2nd Edition

    Of the most superior or excellent grade or kind; belonging to the head or chief or numerically precedent of several classes into which the general subject is divided.
    —First-class mail-matter. In the postal laws. A11 mailable matter containing writing and ali else that is sealed against inspection.
    —First-class misdemeanant. In English law. Under the prisons act (28 & 29 Viet. c. 126, § 67) prisoners in the county, city, and borough prisons convicted of misdemeanor, and not sentenced to hard labor, are divided into two classes, one of which is calied the "first division;" and it is in the discretion of the court to order that such a prisoner be treated as a misdemeanant of the first division, usually called "first-class misdemeanant," and as such not to be deemed a criminal prisoner, i. e., a prisoner convicted of a crime. Bouvier.
    —First-class title. A marketable title, shown by a clean record, or at least not depending on presumptions that must be overcome or facts that are uncertain. Vought v. Williams, 120 N. Y. 253, 24 N. E. 195, 8 lx R. A. 591, 17 Am. St. Rep. 634.