n. One who classifies; one who constructs or applies a system of classification; a taxonomist.n. A figure, mark, or symbol used in classifying.n. In the Chinese spoken language, one of a number of words that serve to point out which one of several things called by the same name (though differently written) is intended. Also called numeratives, because of their frequent use after numerals.n. In ore concentration and milling, an apparatus for subdividing ore-pulp, according to the size and density of the mineral articles, in moving currents.