Webster’s Revised Unabridged Dictionary · 1913
Classification
Clas′si·fi·ca′tion (klăs′sĭ·fĭ·kā′shŭn), n. [Cf. F. classification.] The act of forming into a class or classes; a distribution into groups, as classes, orders, families, etc., according to some common relations or affinities.
Artificial classification. (Science) See under Artifitial.