vbl. sb. [f. CLASS v. + -ING1.] The action of placing in a class or classes.
1741. Monro, Anatomy (ed. 3), 40. Technical Terms, about the … Classing of which there has … been great Variety of Opinions.
1879. W. H. White, Ship-Build., in Cassell’s Techn. Educ., IV. 78/1. The ‘classing’ of a ship, together with her rate of insurance.
